131175585690 has 32 divisors (see below), whose sum is σ = 314857691136. Its totient is φ = 34976124480.

The previous prime is 131175585643. The next prime is 131175585701. The reversal of 131175585690 is 96585571131.

It is a super-2 number, since 2×131175585690² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17364 + ... + 512496.

It is an arithmetic number, because the mean of its divisors is an integer number (9839302848).

Almost surely, 2^131175585690 is an apocalyptic number.

131175585690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131175585690 is an abundant number, since it is smaller than the sum of its proper divisors (183682105446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131175585690 is a wasteful number, since it uses less digits than its factorization.

131175585690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503974.

The product of its (nonzero) digits is 1134000, while the sum is 51.

The spelling of 131175585690 in words is "one hundred thirty-one billion, one hundred seventy-five million, five hundred eighty-five thousand, six hundred ninety".