131432215356231 has 32 divisors (see below), whose sum is σ = 184573139063040. Its totient is φ = 82961734546944.

The previous prime is 131432215356191. The next prime is 131432215356251. The reversal of 131432215356231 is 132653512234131.

It is not a de Polignac number, because 131432215356231 - 2¹⁸ = 131432215094087 is a prime.

It is a super-2 number, since 2×131432215356231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131432215356251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1743025776 + ... + 1743101178.

It is an arithmetic number, because the mean of its divisors is an integer number (5767910595720).

Almost surely, 2^{131432215356231} is an apocalyptic number.

131432215356231 is a deficient number, since it is larger than the sum of its proper divisors (53140923706809).

131432215356231 is a wasteful number, since it uses less digits than its factorization.

131432215356231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92735.

The product of its digits is 388800, while the sum is 42.

The spelling of 131432215356231 in words is "one hundred thirty-one trillion, four hundred thirty-two billion, two hundred fifteen million, three hundred fifty-six thousand, two hundred thirty-one".