131402505323131 has 32 divisors (see below), whose sum is σ = 153732467750400. Its totient is φ = 109964340944640.

The previous prime is 131402505323123. The next prime is 131402505323179. The reversal of 131402505323131 is 131323505204131.

It is not a de Polignac number, because 131402505323131 - 2³ = 131402505323123 is a prime.

It is a super-4 number, since 4×131402505323131⁴ (a number of 58 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3, 2.

It is not an unprimeable number, because it can be changed into a prime (131402505323231) 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, 9755914665 + ... + 9755928133.

It is an arithmetic number, because the mean of its divisors is an integer number (4804139617200).

Almost surely, 2^{131402505323131} is an apocalyptic number.

131402505323131 is a deficient number, since it is larger than the sum of its proper divisors (22329962427269).

131402505323131 is a wasteful number, since it uses less digits than its factorization.

131402505323131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24979.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 131402505323131 in words is "one hundred thirty-one trillion, four hundred two billion, five hundred five million, three hundred twenty-three thousand, one hundred thirty-one".