131222113124 has 6 divisors (see below), whose sum is σ = 229638697974. Its totient is φ = 65611056560.

The previous prime is 131222113069. The next prime is 131222113159. The reversal of 131222113124 is 421311222131.

131222113124 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 106459943524 + 24762169600 = 326282^2 + 157360^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 131222113124.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16402764137 + ... + 16402764144.

It is an arithmetic number, because the mean of its divisors is an integer number (38273116329).

Almost surely, 2^131222113124 is an apocalyptic number.

It is an amenable number.

131222113124 is a deficient number, since it is larger than the sum of its proper divisors (98416584850).

131222113124 is a wasteful number, since it uses less digits than its factorization.

131222113124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32805528285 (or 32805528283 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

Adding to 131222113124 its reverse (421311222131), we get a palindrome (552533335255).

The spelling of 131222113124 in words is "one hundred thirty-one billion, two hundred twenty-two million, one hundred thirteen thousand, one hundred twenty-four".