131512673124 has 72 divisors (see below), whose sum is σ = 380023233408. Its totient is φ = 37565383680.

The previous prime is 131512673113. The next prime is 131512673129. The reversal of 131512673124 is 421376215131.

131512673124 is a `hidden beast` number, since 1 + 31 + 51 + 267 + 312 + 4 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (131512673129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 944644 + ... + 1074884.

It is an arithmetic number, because the mean of its divisors is an integer number (5278100464).

Almost surely, 2^131512673124 is an apocalyptic number.

131512673124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131512673124 is an abundant number, since it is smaller than the sum of its proper divisors (248510560284).

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

131512673124 is a wasteful number, since it uses less digits than its factorization.

131512673124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134265 (or 134260 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

Adding to 131512673124 its reverse (421376215131), we get a palindrome (552888888255).

The spelling of 131512673124 in words is "one hundred thirty-one billion, five hundred twelve million, six hundred seventy-three thousand, one hundred twenty-four".