31338820364 has 12 divisors (see below), whose sum is σ = 56009806944. Its totient is φ = 15336018384.

The previous prime is 31338820351. The next prime is 31338820399. The reversal of 31338820364 is 46302883313.

It is a super-2 number, since 2×31338820364² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83347739 + ... + 83348114.

It is an arithmetic number, because the mean of its divisors is an integer number (4667483912).

Almost surely, 2^31338820364 is an apocalyptic number.

It is an amenable number.

31338820364 is a deficient number, since it is larger than the sum of its proper divisors (24670986580).

31338820364 is a wasteful number, since it uses less digits than its factorization.

31338820364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166695904 (or 166695902 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 31338820364 in words is "thirty-one billion, three hundred thirty-eight million, eight hundred twenty thousand, three hundred sixty-four".