131680460013731 has 4 divisors (see below), whose sum is σ = 132552516040464. Its totient is φ = 130808403987000.

The previous prime is 131680460013709. The next prime is 131680460013743. The reversal of 131680460013731 is 137310064086131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131680460013731 - 2²² = 131680455819427 is a prime.

It is a super-2 number, since 2×131680460013731² (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 (131680460010731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436028013140 + ... + 436028013441.

It is an arithmetic number, because the mean of its divisors is an integer number (33138129010116).

Almost surely, 2^{131680460013731} is an apocalyptic number.

131680460013731 is a deficient number, since it is larger than the sum of its proper divisors (872056026733).

131680460013731 is an equidigital number, since it uses as much as digits as its factorization.

131680460013731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872056026732.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 131680460013731 in words is "one hundred thirty-one trillion, six hundred eighty billion, four hundred sixty million, thirteen thousand, seven hundred thirty-one".