131870152517 has 16 divisors (see below), whose sum is σ = 140788560000. Its totient is φ = 123161062464.

The previous prime is 131870152483. The next prime is 131870152537. The reversal of 131870152517 is 715251078131.

It is a cyclic number.

It is not a de Polignac number, because 131870152517 - 2²⁶ = 131803043653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131870152537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252143 + ... + 572115.

It is an arithmetic number, because the mean of its divisors is an integer number (8799285000).

Almost surely, 2^131870152517 is an apocalyptic number.

It is an amenable number.

131870152517 is a deficient number, since it is larger than the sum of its proper divisors (8918407483).

131870152517 is a wasteful number, since it uses less digits than its factorization.

131870152517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320300.

The product of its (nonzero) digits is 58800, while the sum is 41.

The spelling of 131870152517 in words is "one hundred thirty-one billion, eight hundred seventy million, one hundred fifty-two thousand, five hundred seventeen".