131223123110022 has 32 divisors (see below), whose sum is σ = 277884808451712. Its totient is φ = 41167957474944.

The previous prime is 131223123110003. The next prime is 131223123110047. The reversal of 131223123110022 is 220011321322131.

It is a junction number, because it is equal to n+sod(n) for n = 131223123109974 and 131223123110001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70607833 + ... + 72442475.

It is an arithmetic number, because the mean of its divisors is an integer number (8683900264116).

Almost surely, 2^{131223123110022} is an apocalyptic number.

131223123110022 is an abundant number, since it is smaller than the sum of its proper divisors (146661685341690).

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

131223123110022 is a wasteful number, since it uses less digits than its factorization.

131223123110022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2535892.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 131223123110022 its reverse (220011321322131), we get a palindrome (351234444432153).

The spelling of 131223123110022 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, one hundred twenty-three million, one hundred ten thousand, twenty-two".