131507402232 has 64 divisors (see below), whose sum is σ = 340774452000. Its totient is φ = 42240955904.

The previous prime is 131507402189. The next prime is 131507402251. The reversal of 131507402232 is 232204705131.

131507402232 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 131507402232.

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, 168658 + ... + 539870.

Almost surely, 2^131507402232 is an apocalyptic number.

131507402232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131507402232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170387226000).

131507402232 is an abundant number, since it is smaller than the sum of its proper divisors (209267049768).

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

131507402232 is a wasteful number, since it uses less digits than its factorization.

131507402232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371760 (or 371756 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The spelling of 131507402232 in words is "one hundred thirty-one billion, five hundred seven million, four hundred two thousand, two hundred thirty-two".