131332421415520 has 96 divisors (see below), whose sum is σ = 351726302803680. Its totient is φ = 45939761971200.

The previous prime is 131332421415509. The next prime is 131332421415523. The reversal of 131332421415520 is 25514124233131.

It is a self number, because there is not a number n which added to its sum of digits gives 131332421415520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131332421415523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1661554881 + ... + 1661633920.

It is an arithmetic number, because the mean of its divisors is an integer number (3663815654205).

Almost surely, 2^{131332421415520} is an apocalyptic number.

131332421415520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131332421415520 is an abundant number, since it is smaller than the sum of its proper divisors (220393881388160).

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

131332421415520 is a wasteful number, since it uses less digits than its factorization.

131332421415520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3323188848 (or 3323188840 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 131332421415520 its reverse (25514124233131), we get a palindrome (156846545648651).

The spelling of 131332421415520 in words is "one hundred thirty-one trillion, three hundred thirty-two billion, four hundred twenty-one million, four hundred fifteen thousand, five hundred twenty".