Number
-331
- Negative
- Odd
- 3 digits
-331 is an odd 3-digit integer and the negative of 331. It has 2 divisors and a digital root of 7.
Number properties
ParityOddnot divisible by 2
SignNegative
Absolute value331
Digit count3
Digit sum7
Digital root7repeated digit sum
PalindromicNoreads differently backwards
Factors & divisors
Prime factorisation−1 × 331
Distinct prime factors1331
Number of divisors2
Sum of divisors σ(n)332
SquarefreeYesno repeated prime factor
All divisors1, 3312 in total
Arithmetic
Representations
Decimal-331
Binary1010010119 bits
Octal513
Hexadecimal14B
Base 3697
In wordsminus three hundred and thirty-one
Ordinalminus three hundred and thirty-first
Scientific notation-3.31 × 10^2
Engineering notation-331
Powers & multiples
-331 to the power 2109,561
-331 to the power 3-36,264,691
-331 to the power 412,003,612,721
-331 to the power 5-3,973,195,810,651
First ten multiples-331, -662, -993, -1,324, -1,655, -1,986, -2,317, -2,648, -2,979, -3,310
Powers of twoBetween 2^8 (256) and 2^9 (512)
Divisibility tests
Divisible by 2No, remainder 1
Divisible by 3No, remainder 1
Divisible by 4No, remainder 3
Divisible by 5No, remainder 1
Divisible by 6No, remainder 1
Divisible by 7No, remainder 2
Divisible by 8No, remainder 3
Divisible by 9No, remainder 7
Divisible by 10No, remainder 1
Divisible by 11No, remainder 1
Divisible by 12No, remainder 7
Divisible by 100No, remainder 31
As a percentage & fraction
As a percentage-33,100%
-331% as a decimal-3.31
-331% of 100-331
-331% of 1,000-3,310
As a fraction of 100-331/100
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