13431525345 has 48 divisors (see below), whose sum is σ = 27173352960. Its totient is φ = 6009478272.

The previous prime is 13431525329. The next prime is 13431525397. The reversal of 13431525345 is 54352513431.

It is not a de Polignac number, because 13431525345 - 2⁴ = 13431525329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 438810 + ... + 468419.

It is an arithmetic number, because the mean of its divisors is an integer number (566111520).

Almost surely, 2^13431525345 is an apocalyptic number.

13431525345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13431525345 is an abundant number, since it is smaller than the sum of its proper divisors (13741827615).

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

13431525345 is a wasteful number, since it uses less digits than its factorization.

13431525345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907294 (or 907291 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The spelling of 13431525345 in words is "thirteen billion, four hundred thirty-one million, five hundred twenty-five thousand, three hundred forty-five".