131230231123122 has 80 divisors (see below), whose sum is σ = 309538080656640. Its totient is φ = 41439962752992.

The previous prime is 131230231123109. The next prime is 131230231123127. The reversal of 131230231123122 is 221321132032131.

131230231123122 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 30 + 2 + 311 + 2 + 312 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (131230231123127) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 112589028 + ... + 113748624.

It is an arithmetic number, because the mean of its divisors is an integer number (3869226008208).

Almost surely, 2^{131230231123122} is an apocalyptic number.

131230231123122 is an abundant number, since it is smaller than the sum of its proper divisors (178307849533518).

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

131230231123122 is a wasteful number, since it uses less digits than its factorization.

131230231123122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196397 (or 1196388 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 131230231123122 its reverse (221321132032131), we get a palindrome (352551363155253).

Subtracting 131230231123122 from its reverse (221321132032131), we obtain a palindrome (90090900909009).

The spelling of 131230231123122 in words is "one hundred thirty-one trillion, two hundred thirty billion, two hundred thirty-one million, one hundred twenty-three thousand, one hundred twenty-two".