13131521041122 has 72 divisors (see below), whose sum is σ = 31306517047260. Its totient is φ = 3975019435200.

The previous prime is 13131521041073. The next prime is 13131521041139. The reversal of 13131521041122 is 22114012513131.

13131521041122 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 15 + 210 + 411 + 22 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13120180708041 + 11340333081 = 3622179^2 + 106491^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1154097 + ... + 5253092.

Almost surely, 2^{13131521041122} is an apocalyptic number.

13131521041122 is an abundant number, since it is smaller than the sum of its proper divisors (18174996006138).

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

13131521041122 is a wasteful number, since it uses less digits than its factorization.

13131521041122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6408160 (or 6408146 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 13131521041122 its reverse (22114012513131), we get a palindrome (35245533554253).

The spelling of 13131521041122 in words is "thirteen trillion, one hundred thirty-one billion, five hundred twenty-one million, forty-one thousand, one hundred twenty-two".