331913332 has 12 divisors (see below), whose sum is σ = 582433600. Its totient is φ = 165503736.

The previous prime is 331913317. The next prime is 331913333. The reversal of 331913332 is 233319133.

It is a super-2 number, since 2×331913332² = 220332919918684448, 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 331913332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331913333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111582 + ... + 114517.

Almost surely, 2^331913332 is an apocalyptic number.

It is an amenable number.

331913332 is a deficient number, since it is larger than the sum of its proper divisors (250520268).

331913332 is a wasteful number, since it uses less digits than its factorization.

331913332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226470 (or 226468 counting only the distinct ones).

The product of its digits is 4374, while the sum is 28.

The square root of 331913332 is about 18218.4887408369. The cubic root of 331913332 is about 692.3752990020.

The spelling of 331913332 in words is "three hundred thirty-one million, nine hundred thirteen thousand, three hundred thirty-two".