31544512104 has 256 divisors, whose sum is σ = 95103590400. Its totient is φ = 8531712000.

The previous prime is 31544512091. The next prime is 31544512159. The reversal of 31544512104 is 40121544513.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44998954 + ... + 44999654.

It is an arithmetic number, because the mean of its divisors is an integer number (371498400).

Almost surely, 2^31544512104 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 31544512104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47551795200).

31544512104 is an abundant number, since it is smaller than the sum of its proper divisors (63559078296).

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

31544512104 is a wasteful number, since it uses less digits than its factorization.

31544512104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944 (or 940 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 31544512104 in words is "thirty-one billion, five hundred forty-four million, five hundred twelve thousand, one hundred four".