131522412291 has 32 divisors (see below), whose sum is σ = 183408261120. Its totient is φ = 83736038400.

The previous prime is 131522412283. The next prime is 131522412361. The reversal of 131522412291 is 192214225131.

It is not a de Polignac number, because 131522412291 - 2³ = 131522412283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131522412691) 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, 7161781 + ... + 7180121.

It is an arithmetic number, because the mean of its divisors is an integer number (5731508160).

Almost surely, 2^131522412291 is an apocalyptic number.

131522412291 is a deficient number, since it is larger than the sum of its proper divisors (51885848829).

131522412291 is a wasteful number, since it uses less digits than its factorization.

131522412291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19387.

The product of its digits is 8640, while the sum is 33.

The spelling of 131522412291 in words is "one hundred thirty-one billion, five hundred twenty-two million, four hundred twelve thousand, two hundred ninety-one".