131240323122 has 16 divisors (see below), whose sum is σ = 262917393312. Its totient is φ = 43673983200.

The previous prime is 131240323121. The next prime is 131240323129. The reversal of 131240323122 is 221323042131.

It is a junction number, because it is equal to n+sod(n) for n = 131240323092 and 131240323101.

It is not an unprimeable number, because it can be changed into a prime (131240323121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18193888 + ... + 18201099.

It is an arithmetic number, because the mean of its divisors is an integer number (16432337082).

Almost surely, 2^131240323122 is an apocalyptic number.

131240323122 is an abundant number, since it is smaller than the sum of its proper divisors (131677070190).

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

131240323122 is a wasteful number, since it uses less digits than its factorization.

131240323122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36395593.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 131240323122 its reverse (221323042131), we get a palindrome (352563365253).

The spelling of 131240323122 in words is "one hundred thirty-one billion, two hundred forty million, three hundred twenty-three thousand, one hundred twenty-two".