331118472 has 32 divisors (see below), whose sum is σ = 871365600. Its totient is φ = 104563584.

The previous prime is 331118461. The next prime is 331118479. The reversal of 331118472 is 274811133.

It is a super-2 number, since 2×331118472² = 219278884999229568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331118479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362613 + ... + 363524.

It is an arithmetic number, because the mean of its divisors is an integer number (27230175).

Almost surely, 2^331118472 is an apocalyptic number.

It is an amenable number.

331118472 is an abundant number, since it is smaller than the sum of its proper divisors (540247128).

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

331118472 is a wasteful number, since it uses less digits than its factorization.

331118472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726165 (or 726161 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 331118472 is about 18196.6610123946. The cubic root of 331118472 is about 691.8221613017.

The spelling of 331118472 in words is "three hundred thirty-one million, one hundred eighteen thousand, four hundred seventy-two".