131310993834565 has 8 divisors (see below), whose sum is σ = 157573994918400. Its totient is φ = 105048260189712.

The previous prime is 131310993834481. The next prime is 131310993834613. The reversal of 131310993834565 is 565438399013131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 131310993834565 - 2²⁵ = 131310960280133 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65777965 + ... + 67744834.

It is an arithmetic number, because the mean of its divisors is an integer number (19696749364800).

Almost surely, 2^{131310993834565} is an apocalyptic number.

It is an amenable number.

131310993834565 is a deficient number, since it is larger than the sum of its proper divisors (26263001083835).

131310993834565 is a wasteful number, since it uses less digits than its factorization.

131310993834565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133719491.

The product of its (nonzero) digits is 31492800, while the sum is 61.

The spelling of 131310993834565 in words is "one hundred thirty-one trillion, three hundred ten billion, nine hundred ninety-three million, eight hundred thirty-four thousand, five hundred sixty-five".