12322320031 has 36 divisors (see below), whose sum is σ = 14782719720. Its totient is φ = 10241078400.

The previous prime is 12322320011. The next prime is 12322320041. The reversal of 12322320031 is 13002322321.

It is not a de Polignac number, because 12322320031 - 2⁷ = 12322319903 is a prime.

It is a super-2 number, since 2×12322320031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12322319990 and 12322320008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12322320011) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17379505 + ... + 17380213.

Almost surely, 2^12322320031 is an apocalyptic number.

12322320031 is a deficient number, since it is larger than the sum of its proper divisors (2460399689).

12322320031 is an equidigital number, since it uses as much as digits as its factorization.

12322320031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016 (or 968 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12322320031 its reverse (13002322321), we get a palindrome (25324642352).

The spelling of 12322320031 in words is "twelve billion, three hundred twenty-two million, three hundred twenty thousand, thirty-one".