131437820830 has 32 divisors (see below), whose sum is σ = 237891686400. Its totient is φ = 52285589280.

The previous prime is 131437820791. The next prime is 131437820897. The reversal of 131437820830 is 38028734131.

It is a happy number.

It is a congruent number.

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, 9518271 + ... + 9532069.

It is an arithmetic number, because the mean of its divisors is an integer number (7434115200).

Almost surely, 2^131437820830 is an apocalyptic number.

131437820830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131437820830 is a deficient number, since it is larger than the sum of its proper divisors (106453865570).

131437820830 is a wasteful number, since it uses less digits than its factorization.

131437820830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18984.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 131437820830 in words is "one hundred thirty-one billion, four hundred thirty-seven million, eight hundred twenty thousand, eight hundred thirty".