13031565425 has 48 divisors (see below), whose sum is σ = 17021767680. Its totient is φ = 9883104000.

The previous prime is 13031565409. The next prime is 13031565433. The reversal of 13031565425 is 52456513031.

13031565425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13031565425 - 2⁴ = 13031565409 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 19714595 + ... + 19715255.

It is an arithmetic number, because the mean of its divisors is an integer number (354620160).

Almost surely, 2^13031565425 is an apocalyptic number.

It is an amenable number.

13031565425 is a deficient number, since it is larger than the sum of its proper divisors (3990202255).

13031565425 is a wasteful number, since it uses less digits than its factorization.

13031565425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154 (or 1149 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 13031565425 in words is "thirteen billion, thirty-one million, five hundred sixty-five thousand, four hundred twenty-five".