31878119088 has 60 divisors (see below), whose sum is σ = 89409860488. Its totient is φ = 10602766080.

The previous prime is 31878119069. The next prime is 31878119093. The reversal of 31878119088 is 88091187813.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176398 + ... + 308013.

Almost surely, 2^31878119088 is an apocalyptic number.

It is an amenable number.

31878119088 is an abundant number, since it is smaller than the sum of its proper divisors (57531741400).

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

31878119088 is a wasteful number, since it uses less digits than its factorization.

31878119088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484882 (or 484873 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 54.

The spelling of 31878119088 in words is "thirty-one billion, eight hundred seventy-eight million, one hundred nineteen thousand, eighty-eight".