331563056 has 20 divisors (see below), whose sum is σ = 700804104. Its totient is φ = 150710400.

The previous prime is 331563049. The next prime is 331563059. The reversal of 331563056 is 650365133.

It is not an unprimeable number, because it can be changed into a prime (331563059) 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, 941765 + ... + 942116.

Almost surely, 2^331563056 is an apocalyptic number.

It is an amenable number.

331563056 is an abundant number, since it is smaller than the sum of its proper divisors (369241048).

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

331563056 is a wasteful number, since it uses less digits than its factorization.

331563056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883900 (or 1883894 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 32.

The square root of 331563056 is about 18208.8730019186. The cubic root of 331563056 is about 692.1316532567.

The spelling of 331563056 in words is "three hundred thirty-one million, five hundred sixty-three thousand, fifty-six".