131313022333122 has 64 divisors (see below), whose sum is σ = 300577251686400. Its totient is φ = 37463872761216.

The previous prime is 131313022333121. The next prime is 131313022333147. The reversal of 131313022333122 is 221333220313131.

It is a self number, because there is not a number n which added to its sum of digits gives 131313022333122.

It is not an unprimeable number, because it can be changed into a prime (131313022333121) 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, 192993243 + ... + 193672449.

It is an arithmetic number, because the mean of its divisors is an integer number (4696519557600).

Almost surely, 2^{131313022333122} is an apocalyptic number.

131313022333122 is an abundant number, since it is smaller than the sum of its proper divisors (169264229353278).

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

131313022333122 is a wasteful number, since it uses less digits than its factorization.

131313022333122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685855.

The product of its (nonzero) digits is 11664, while the sum is 30.

Adding to 131313022333122 its reverse (221333220313131), we get a palindrome (352646242646253).

The spelling of 131313022333122 in words is "one hundred thirty-one trillion, three hundred thirteen billion, twenty-two million, three hundred thirty-three thousand, one hundred twenty-two".