31839404332 has 48 divisors (see below), whose sum is σ = 56518705152. Its totient is φ = 15693537920.

The previous prime is 31839404203. The next prime is 31839404341. The reversal of 31839404332 is 23340493813.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68178363 + ... + 68178829.

It is an arithmetic number, because the mean of its divisors is an integer number (1177473024).

Almost surely, 2^31839404332 is an apocalyptic number.

It is an amenable number.

31839404332 is a deficient number, since it is larger than the sum of its proper divisors (24679300820).

31839404332 is a wasteful number, since it uses less digits than its factorization.

31839404332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278 (or 1276 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 31839404332 in words is "thirty-one billion, eight hundred thirty-nine million, four hundred four thousand, three hundred thirty-two".