131393688017 has 8 divisors (see below), whose sum is σ = 134674456896. Its totient is φ = 128142609712.

The previous prime is 131393687993. The next prime is 131393688043. The reversal of 131393688017 is 710886393131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131393688017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131393681017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7413683 + ... + 7431384.

It is an arithmetic number, because the mean of its divisors is an integer number (16834307112).

Almost surely, 2^131393688017 is an apocalyptic number.

It is an amenable number.

131393688017 is a deficient number, since it is larger than the sum of its proper divisors (3280768879).

131393688017 is a wasteful number, since it uses less digits than its factorization.

131393688017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14845287.

The product of its (nonzero) digits is 653184, while the sum is 50.

The spelling of 131393688017 in words is "one hundred thirty-one billion, three hundred ninety-three million, six hundred eighty-eight thousand, seventeen".