131387685213 has 8 divisors (see below), whose sum is σ = 184403768800. Its totient is φ = 82981695888.

The previous prime is 131387685211. The next prime is 131387685217. The reversal of 131387685213 is 312586783131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131387685213 - 2¹ = 131387685211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131387685211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1152523498 + ... + 1152523611.

It is an arithmetic number, because the mean of its divisors is an integer number (23050471100).

Almost surely, 2^131387685213 is an apocalyptic number.

It is an amenable number.

131387685213 is a deficient number, since it is larger than the sum of its proper divisors (53016083587).

131387685213 is a wasteful number, since it uses less digits than its factorization.

131387685213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305047131.

The product of its digits is 725760, while the sum is 48.

The spelling of 131387685213 in words is "one hundred thirty-one billion, three hundred eighty-seven million, six hundred eighty-five thousand, two hundred thirteen".