131330110122 has 12 divisors (see below), whose sum is σ = 284548571970. Its totient is φ = 43776703368.

The previous prime is 131330110091. The next prime is 131330110127. The reversal of 131330110122 is 221011033131.

It can be written as a sum of positive squares in only one way, i.e., 82621178721 + 48708931401 = 287439^2 + 220701^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 7296117229 = 131330110122 / (1 + 3 + 1 + 3 + 3 + 0 + 1 + 1 + 0 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 131330110095 and 131330110104.

It is not an unprimeable number, because it can be changed into a prime (131330110127) 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, 3648058597 + ... + 3648058632.

Almost surely, 2^131330110122 is an apocalyptic number.

131330110122 is an abundant number, since it is smaller than the sum of its proper divisors (153218461848).

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

131330110122 is a wasteful number, since it uses less digits than its factorization.

131330110122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7296117237 (or 7296117234 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 131330110122 its reverse (221011033131), we get a palindrome (352341143253).

The spelling of 131330110122 in words is "one hundred thirty-one billion, three hundred thirty million, one hundred ten thousand, one hundred twenty-two".