131311222303122 has 24 divisors (see below), whose sum is σ = 284507903543760. Its totient is φ = 43770368169720.

The previous prime is 131311222303117. The next prime is 131311222303127. The reversal of 131311222303122 is 221303222113131.

131311222303122 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 11 + 222 + 303 + 122 = 666.

It is an interprime number because it is at equal distance from previous prime (131311222303117) and next prime (131311222303127).

It is not an unprimeable number, because it can be changed into a prime (131311222303127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23092129 + ... + 28211147.

It is an arithmetic number, because the mean of its divisors is an integer number (11854495980990).

Almost surely, 2^{131311222303122} is an apocalyptic number.

131311222303122 is an abundant number, since it is smaller than the sum of its proper divisors (153196681240638).

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

131311222303122 is a wasteful number, since it uses less digits than its factorization.

131311222303122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6544118 (or 6544115 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 131311222303122 its reverse (221303222113131), we get a palindrome (352614444416253).

The spelling of 131311222303122 in words is "one hundred thirty-one trillion, three hundred eleven billion, two hundred twenty-two million, three hundred three thousand, one hundred twenty-two".