131135242531131 has 12 divisors (see below), whose sum is σ = 191256578105008. Its totient is φ = 86574723223824.

The previous prime is 131135242531049. The next prime is 131135242531243.

131135242531131 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 3 + 52 + 42 + 531 + 1 + 31 = 666.

131135242531131 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 131135242531131 - 2²⁷ = 131135108313403 is a prime.

It is a super-2 number, since 2×131135242531131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131135242531331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70730982100 + ... + 70730983953.

Almost surely, 2^{131135242531131} is an apocalyptic number.

131135242531131 is a deficient number, since it is larger than the sum of its proper divisors (60121335573877).

131135242531131 is a wasteful number, since it uses less digits than its factorization.

131135242531131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141461966162 (or 141461966159 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The spelling of 131135242531131 in words is "one hundred thirty-one trillion, one hundred thirty-five billion, two hundred forty-two million, five hundred thirty-one thousand, one hundred thirty-one".