131512202215131 has 32 divisors (see below), whose sum is σ = 177250877971200. Its totient is φ = 86725817424000.

The previous prime is 131512202215127. The next prime is 131512202215157.

131512202215131 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 131512202215131 - 2² = 131512202215127 is a prime.

It is a super-2 number, since 2×131512202215131² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131512202215931) 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, 1620306156 + ... + 1620387318.

It is an arithmetic number, because the mean of its divisors is an integer number (5539089936600).

Almost surely, 2^{131512202215131} is an apocalyptic number.

131512202215131 is a deficient number, since it is larger than the sum of its proper divisors (45738675756069).

131512202215131 is a wasteful number, since it uses less digits than its factorization.

131512202215131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86187.

The product of its (nonzero) digits is 3600, while the sum is 30.

It can be divided in two parts, 13151220 and 2215131, that added together give a palindrome (15366351).

The spelling of 131512202215131 in words is "one hundred thirty-one trillion, five hundred twelve billion, two hundred two million, two hundred fifteen thousand, one hundred thirty-one".