131222333421023 has 12 divisors (see below), whose sum is σ = 142093325543400. Its totient is φ = 121127879018016.

The previous prime is 131222333421013. The next prime is 131222333421169. The reversal of 131222333421023 is 320124333222131.

It is not a de Polignac number, because 131222333421023 - 2¹⁰ = 131222333419999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131222333421013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52814765 + ... + 55243497.

It is an arithmetic number, because the mean of its divisors is an integer number (11841110461950).

Almost surely, 2^{131222333421023} is an apocalyptic number.

131222333421023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131222333421023 is a deficient number, since it is larger than the sum of its proper divisors (10870992122377).

131222333421023 is a wasteful number, since it uses less digits than its factorization.

131222333421023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2748458 (or 2748445 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 131222333421023 its reverse (320124333222131), we get a palindrome (451346666643154).

The spelling of 131222333421023 in words is "one hundred thirty-one trillion, two hundred twenty-two billion, three hundred thirty-three million, four hundred twenty-one thousand, twenty-three".