131222031323 has 16 divisors (see below), whose sum is σ = 140462356320. Its totient is φ = 122154739200.

The previous prime is 131222031313. The next prime is 131222031337. The reversal of 131222031323 is 323130222131.

It is a cyclic number.

It is not a de Polignac number, because 131222031323 - 2²⁴ = 131205254107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131222031313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 996053 + ... + 1120073.

It is an arithmetic number, because the mean of its divisors is an integer number (8778897270).

Almost surely, 2^131222031323 is an apocalyptic number.

131222031323 is a deficient number, since it is larger than the sum of its proper divisors (9240324997).

131222031323 is a wasteful number, since it uses less digits than its factorization.

131222031323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124718.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 131222031323 its reverse (323130222131), we get a palindrome (454352253454).

The spelling of 131222031323 in words is "one hundred thirty-one billion, two hundred twenty-two million, thirty-one thousand, three hundred twenty-three".