131859128031 has 8 divisors (see below), whose sum is σ = 175865347584. Its totient is φ = 87879496920.

The previous prime is 131859128017. The next prime is 131859128069. The reversal of 131859128031 is 130821958131.

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

It is not a de Polignac number, because 131859128031 - 2¹³ = 131859119839 is a prime.

It is a super-2 number, since 2×131859128031² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131859138031) 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, 6635535 + ... + 6655376.

It is an arithmetic number, because the mean of its divisors is an integer number (21983168448).

Almost surely, 2^131859128031 is an apocalyptic number.

131859128031 is a deficient number, since it is larger than the sum of its proper divisors (44006219553).

131859128031 is a wasteful number, since it uses less digits than its factorization.

131859128031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13294221.

The product of its (nonzero) digits is 51840, while the sum is 42.

The spelling of 131859128031 in words is "one hundred thirty-one billion, eight hundred fifty-nine million, one hundred twenty-eight thousand, thirty-one".