131252334381 has 96 divisors (see below), whose sum is σ = 233211264000. Its totient is φ = 70906661280.

The previous prime is 131252334349. The next prime is 131252334397. The reversal of 131252334381 is 183433252131.

131252334381 is a `hidden beast` number, since 1 + 3 + 12 + 523 + 3 + 43 + 81 = 666.

It is not a de Polignac number, because 131252334381 - 2⁵ = 131252334349 is a prime.

It is a super-2 number, since 2×131252334381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131252334341) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 32081146 + ... + 32085236.

It is an arithmetic number, because the mean of its divisors is an integer number (2429284000).

Almost surely, 2^131252334381 is an apocalyptic number.

It is an amenable number.

131252334381 is a deficient number, since it is larger than the sum of its proper divisors (101958929619).

131252334381 is a wasteful number, since it uses less digits than its factorization.

131252334381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4684 (or 4667 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The spelling of 131252334381 in words is "one hundred thirty-one billion, two hundred fifty-two million, three hundred thirty-four thousand, three hundred eighty-one".