331313333320 has 64 divisors (see below), whose sum is σ = 775296181440. Its totient is φ = 127321286400.

The previous prime is 331313333291. The next prime is 331313333341. The reversal of 331313333320 is 23333313133.

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, 1473966 + ... + 1683805.

It is an arithmetic number, because the mean of its divisors is an integer number (12114002835).

Almost surely, 2^331313333320 is an apocalyptic number.

It is an amenable number.

331313333320 is an abundant number, since it is smaller than the sum of its proper divisors (443982848120).

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

331313333320 is a wasteful number, since it uses less digits than its factorization.

331313333320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3157886 (or 3157882 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 28.

Adding to 331313333320 its reverse (23333313133), we get a palindrome (354646646453).

The spelling of 331313333320 in words is "three hundred thirty-one billion, three hundred thirteen million, three hundred thirty-three thousand, three hundred twenty".