13131320572 has 12 divisors (see below), whose sum is σ = 23600887240. Its totient is φ = 6388209936.

The previous prime is 13131320561. The next prime is 13131320599. The reversal of 13131320572 is 27502313131.

It is a self number, because there is not a number n which added to its sum of digits gives 13131320572.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44362422 + ... + 44362717.

Almost surely, 2^13131320572 is an apocalyptic number.

It is an amenable number.

13131320572 is a deficient number, since it is larger than the sum of its proper divisors (10469566668).

13131320572 is a wasteful number, since it uses less digits than its factorization.

13131320572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88725180 (or 88725178 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The spelling of 13131320572 in words is "thirteen billion, one hundred thirty-one million, three hundred twenty thousand, five hundred seventy-two".