131947032920 has 32 divisors (see below), whose sum is σ = 312506132400. Its totient is φ = 50000980608.

The previous prime is 131947032911. The next prime is 131947032961. The reversal of 131947032920 is 29230749131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86806499 + ... + 86808018.

Almost surely, 2^131947032920 is an apocalyptic number.

131947032920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131947032920 is an abundant number, since it is smaller than the sum of its proper divisors (180559099480).

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

131947032920 is a wasteful number, since it uses less digits than its factorization.

131947032920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173614547 (or 173614543 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 41.

The spelling of 131947032920 in words is "one hundred thirty-one billion, nine hundred forty-seven million, thirty-two thousand, nine hundred twenty".