31079524816 has 80 divisors (see below), whose sum is σ = 64218657600. Its totient is φ = 14529106944.

The previous prime is 31079524807. The next prime is 31079524871. The reversal of 31079524816 is 61842597013.

It is a congruent number.

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, 25621426 + ... + 25622638.

It is an arithmetic number, because the mean of its divisors is an integer number (802733220).

It is a 1-persistent number, because it is pandigital, but 2⋅31079524816 = 62159049632 is not.

Almost surely, 2^31079524816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31079524816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32109328800).

31079524816 is an abundant number, since it is smaller than the sum of its proper divisors (33139132784).

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

31079524816 is a wasteful number, since it uses less digits than its factorization.

31079524816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276 (or 2270 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 31079524816 in words is "thirty-one billion, seventy-nine million, five hundred twenty-four thousand, eight hundred sixteen".