331912 has 16 divisors (see below), whose sum is σ = 711360. Its totient is φ = 142224.

The previous prime is 331909. The next prime is 331921. The reversal of 331912 is 219133.

It is a super-2 number, since 2×331912² = 220331151488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 331912.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2908 + ... + 3019.

It is an arithmetic number, because the mean of its divisors is an integer number (44460).

2³³¹⁹¹² is an apocalyptic number.

It is an amenable number.

331912 is an abundant number, since it is smaller than the sum of its proper divisors (379448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331912 is a wasteful number, since it uses less digits than its factorization.

331912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5940 (or 5936 counting only the distinct ones).

The product of its digits is 162, while the sum is 19.

The square root of 331912 is about 576.1180434598. The cubic root of 331912 is about 69.2374372811.

The spelling of 331912 in words is "three hundred thirty-one thousand, nine hundred twelve".