131345454415122 has 12 divisors (see below), whose sum is σ = 284581817899470. Its totient is φ = 43781818138368.

The previous prime is 131345454415073. The next prime is 131345454415129. The reversal of 131345454415122 is 221514454543131.

131345454415122 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 4 + 54 + 544 + 1 + 51 + 2 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 68418026567361 + 62927427847761 = 8271519^2 + 7932681^2 .

It is not an unprimeable number, because it can be changed into a prime (131345454415129) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3648484844847 + ... + 3648484844882.

Almost surely, 2^{131345454415122} is an apocalyptic number.

131345454415122 is an abundant number, since it is smaller than the sum of its proper divisors (153236363484348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131345454415122 is a wasteful number, since it uses less digits than its factorization.

131345454415122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7296969689737 (or 7296969689734 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 45.

The spelling of 131345454415122 in words is "one hundred thirty-one trillion, three hundred forty-five billion, four hundred fifty-four million, four hundred fifteen thousand, one hundred twenty-two".