12324313231 has 2 divisors, whose sum is σ = 12324313232. Its totient is φ = 12324313230.

The previous prime is 12324313229. The next prime is 12324313249. The reversal of 12324313231 is 13231342321.

It is a weak prime.

It is an emirp because it is prime and its reverse (13231342321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12324313231 - 2¹ = 12324313229 is a prime.

It is a super-2 number, since 2×12324313231² (a number of 21 digits) contains 22 as substring.

Together with 12324313229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12324313196 and 12324313205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12324313201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6162156615 + 6162156616.

It is an arithmetic number, because the mean of its divisors is an integer number (6162156616).

Almost surely, 2^12324313231 is an apocalyptic number.

12324313231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12324313231 is an equidigital number, since it uses as much as digits as its factorization.

12324313231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 25.

Adding to 12324313231 its reverse (13231342321), we get a palindrome (25555655552).

The spelling of 12324313231 in words is "twelve billion, three hundred twenty-four million, three hundred thirteen thousand, two hundred thirty-one".