131531736670 has 16 divisors (see below), whose sum is σ = 236762462160. Its totient is φ = 52611508864.

The previous prime is 131531736599. The next prime is 131531736727. The reversal of 131531736670 is 76637135131.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 422166 + ... + 664294.

It is an arithmetic number, because the mean of its divisors is an integer number (14797653885).

Almost surely, 2^131531736670 is an apocalyptic number.

131531736670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131531736670 is a deficient number, since it is larger than the sum of its proper divisors (105230725490).

131531736670 is a wasteful number, since it uses less digits than its factorization.

131531736670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296459.

The product of its (nonzero) digits is 238140, while the sum is 43.

The spelling of 131531736670 in words is "one hundred thirty-one billion, five hundred thirty-one million, seven hundred thirty-six thousand, six hundred seventy".