331500056 has 8 divisors (see below), whose sum is σ = 621562620. Its totient is φ = 165750024.

The previous prime is 331500023. The next prime is 331500067. The reversal of 331500056 is 650005133.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20718746 + ... + 20718761.

Almost surely, 2^331500056 is an apocalyptic number.

It is an amenable number.

331500056 is a deficient number, since it is larger than the sum of its proper divisors (290062564).

331500056 is a wasteful number, since it uses less digits than its factorization.

331500056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41437513 (or 41437509 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 331500056 is about 18207.1429938912. The cubic root of 331500056 is about 692.0878133742.

Adding to 331500056 its reverse (650005133), we get a palindrome (981505189).

The spelling of 331500056 in words is "three hundred thirty-one million, five hundred thousand, fifty-six".