131881876320 has 48 divisors (see below), whose sum is σ = 415427911920. Its totient is φ = 35168500224.

The previous prime is 131881876267. The next prime is 131881876397. The reversal of 131881876320 is 23678188131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 131881876320.

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, 137376475 + ... + 137377434.

It is an arithmetic number, because the mean of its divisors is an integer number (8654748165).

Almost surely, 2^131881876320 is an apocalyptic number.

131881876320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131881876320 is an abundant number, since it is smaller than the sum of its proper divisors (283546035600).

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

131881876320 is a wasteful number, since it uses less digits than its factorization.

131881876320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274753927 (or 274753919 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 131881876320 in words is "one hundred thirty-one billion, eight hundred eighty-one million, eight hundred seventy-six thousand, three hundred twenty".