12313222331 has 2 divisors, whose sum is σ = 12313222332. Its totient is φ = 12313222330.

The previous prime is 12313222307. The next prime is 12313222333. The reversal of 12313222331 is 13322231321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12313222331 - 2³⁰ = 11239480507 is a prime.

It is a super-2 number, since 2×12313222331² (a number of 21 digits) contains 22 as substring.

Together with 12313222333, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12313222297 and 12313222306.

It is not a weakly prime, because it can be changed into another prime (12313222333) by changing a digit.

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 as a sum of consecutive naturals, namely, 6156611165 + 6156611166.

It is an arithmetic number, because the mean of its divisors is an integer number (6156611166).

Almost surely, 2^12313222331 is an apocalyptic number.

12313222331 is a deficient number, since it is larger than the sum of its proper divisors (1).

12313222331 is an equidigital number, since it uses as much as digits as its factorization.

12313222331 is an odious number, because the sum of its binary digits is odd.

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

Adding to 12313222331 its reverse (13322231321), we get a palindrome (25635453652).

The spelling of 12313222331 in words is "twelve billion, three hundred thirteen million, two hundred twenty-two thousand, three hundred thirty-one".