331657116 has 48 divisors (see below), whose sum is σ = 893028864. Its totient is φ = 93836736.

The previous prime is 331657091. The next prime is 331657133. The reversal of 331657116 is 611756133.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10515 + ... + 27818.

It is an arithmetic number, because the mean of its divisors is an integer number (18604768).

Almost surely, 2^331657116 is an apocalyptic number.

It is an amenable number.

331657116 is an abundant number, since it is smaller than the sum of its proper divisors (561371748).

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

331657116 is a wasteful number, since it uses less digits than its factorization.

331657116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38450 (or 38448 counting only the distinct ones).

The product of its digits is 11340, while the sum is 33.

The square root of 331657116 is about 18211.4556255122. The cubic root of 331657116 is about 692.1970965632.

The spelling of 331657116 in words is "three hundred thirty-one million, six hundred fifty-seven thousand, one hundred sixteen".