131320422122 has 8 divisors (see below), whose sum is σ = 203773068900. Its totient is φ = 63396065824.

The previous prime is 131320422109. The next prime is 131320422127. The reversal of 131320422122 is 221224023131.

It can be written as a sum of positive squares in 2 ways, for example, as 122758436161 + 8561985961 = 350369^2 + 92531^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (131320422127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1132072547 + ... + 1132072662.

Almost surely, 2^131320422122 is an apocalyptic number.

131320422122 is a deficient number, since it is larger than the sum of its proper divisors (72452646778).

131320422122 is a wasteful number, since it uses less digits than its factorization.

131320422122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264145240.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 131320422122 its reverse (221224023131), we get a palindrome (352544445253).

The spelling of 131320422122 in words is "one hundred thirty-one billion, three hundred twenty million, four hundred twenty-two thousand, one hundred twenty-two".