31152455421204 has 96 divisors (see below), whose sum is σ = 79864863031296. Its totient is φ = 9392868904320.

The previous prime is 31152455421179. The next prime is 31152455421281. The reversal of 31152455421204 is 40212455425113.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5806092 + ... + 9798755.

It is an arithmetic number, because the mean of its divisors is an integer number (831925656576).

Almost surely, 2^{31152455421204} is an apocalyptic number.

It is an amenable number.

31152455421204 is an abundant number, since it is smaller than the sum of its proper divisors (48712407610092).

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

31152455421204 is a wasteful number, since it uses less digits than its factorization.

31152455421204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15605125 (or 15605123 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 39.

The spelling of 31152455421204 in words is "thirty-one trillion, one hundred fifty-two billion, four hundred fifty-five million, four hundred twenty-one thousand, two hundred four".