131332452320421 has 48 divisors (see below), whose sum is σ = 216012905626752. Its totient is φ = 76111113724800.

The previous prime is 131332452320387. The next prime is 131332452320479. The reversal of 131332452320421 is 124023254233131.

131332452320421 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 324 + 5 + 2 + 320 + 4 + 2 + 1 = 666.

It is not a de Polignac number, because 131332452320421 - 2⁴⁵ = 96148080231589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131332452320491) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1619190 + ... + 16287623.

It is an arithmetic number, because the mean of its divisors is an integer number (4500268867224).

Almost surely, 2^{131332452320421} is an apocalyptic number.

131332452320421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131332452320421 is a deficient number, since it is larger than the sum of its proper divisors (84680453306331).

131332452320421 is a wasteful number, since it uses less digits than its factorization.

131332452320421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17910074 (or 17910071 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 131332452320421 in words is "one hundred thirty-one trillion, three hundred thirty-two billion, four hundred fifty-two million, three hundred twenty thousand, four hundred twenty-one".