131508397330870 has 32 divisors (see below), whose sum is σ = 282293801975808. Its totient is φ = 43128219745248.

The previous prime is 131508397330867. The next prime is 131508397330883. The reversal of 131508397330870 is 78033793805131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40841115574 + ... + 40841118793.

It is an arithmetic number, because the mean of its divisors is an integer number (8821681311744).

Almost surely, 2^{131508397330870} is an apocalyptic number.

131508397330870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131508397330870 is an abundant number, since it is smaller than the sum of its proper divisors (150785404644938).

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

131508397330870 is a wasteful number, since it uses less digits than its factorization.

131508397330870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81682234404.

The product of its (nonzero) digits is 11430720, while the sum is 58.

The spelling of 131508397330870 in words is "one hundred thirty-one trillion, five hundred eight billion, three hundred ninety-seven million, three hundred thirty thousand, eight hundred seventy".