331016856 has 16 divisors (see below), whose sum is σ = 827542200. Its totient is φ = 110338944.

The previous prime is 331016849. The next prime is 331016857. The reversal of 331016856 is 658610133.

It is a super-2 number, since 2×331016856² = 219144317912249472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331016857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6896161 + ... + 6896208.

Almost surely, 2^331016856 is an apocalyptic number.

It is an amenable number.

331016856 is an abundant number, since it is smaller than the sum of its proper divisors (496525344).

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

331016856 is a wasteful number, since it uses less digits than its factorization.

331016856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13792378 (or 13792374 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 331016856 is about 18193.8686375383. The cubic root of 331016856 is about 691.7513836201.

Adding to 331016856 its reverse (658610133), we get a palindrome (989626989).

The spelling of 331016856 in words is "three hundred thirty-one million, sixteen thousand, eight hundred fifty-six".