131540131132344 has 96 divisors (see below), whose sum is σ = 395974151305200. Its totient is φ = 39108558128640.

The previous prime is 131540131132331. The next prime is 131540131132433. The reversal of 131540131132344 is 443231131045131.

131540131132344 is a `hidden beast` number, since 1 + 3 + 1 + 5 + 401 + 3 + 1 + 13 + 234 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 131540131132299 and 131540131132308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1566807309 + ... + 1566891260.

Almost surely, 2^{131540131132344} is an apocalyptic number.

It is an amenable number.

131540131132344 is an abundant number, since it is smaller than the sum of its proper divisors (264434020172856).

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

131540131132344 is a wasteful number, since it uses less digits than its factorization.

131540131132344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133698645 (or 3133698638 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 131540131132344 its reverse (443231131045131), we get a palindrome (574771262177475).

The spelling of 131540131132344 in words is "one hundred thirty-one trillion, five hundred forty billion, one hundred thirty-one million, one hundred thirty-two thousand, three hundred forty-four".