331335056 has 40 divisors (see below), whose sum is σ = 721412160. Its totient is φ = 146272896.

The previous prime is 331335047. The next prime is 331335073. The reversal of 331335056 is 650533133.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29846 + ... + 39413.

It is an arithmetic number, because the mean of its divisors is an integer number (18035304).

Almost surely, 2^331335056 is an apocalyptic number.

It is an amenable number.

331335056 is an abundant number, since it is smaller than the sum of its proper divisors (390077104).

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

331335056 is a wasteful number, since it uses less digits than its factorization.

331335056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69303 (or 69297 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 29.

The square root of 331335056 is about 18202.6112412478. The cubic root of 331335056 is about 691.9729683049.

Adding to 331335056 its reverse (650533133), we get a palindrome (981868189).

The spelling of 331335056 in words is "three hundred thirty-one million, three hundred thirty-five thousand, fifty-six".