131507703513 has 48 divisors (see below), whose sum is σ = 198300960000. Its totient is φ = 83878107264.

The previous prime is 131507703511. The next prime is 131507703517. The reversal of 131507703513 is 315307705131.

131507703513 is a `hidden beast` number, since 1 + 31 + 507 + 70 + 3 + 51 + 3 = 666.

It is not a de Polignac number, because 131507703513 - 2¹ = 131507703511 is a prime.

It is a super-2 number, since 2×131507703513² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131507703511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17068420 + ... + 17076122.

It is an arithmetic number, because the mean of its divisors is an integer number (4131270000).

Almost surely, 2^131507703513 is an apocalyptic number.

It is an amenable number.

131507703513 is a deficient number, since it is larger than the sum of its proper divisors (66793256487).

131507703513 is a wasteful number, since it uses less digits than its factorization.

131507703513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8326 (or 8323 counting only the distinct ones).

The product of its (nonzero) digits is 33075, while the sum is 36.

The spelling of 131507703513 in words is "one hundred thirty-one billion, five hundred seven million, seven hundred three thousand, five hundred thirteen".