12313212331313 has 2 divisors, whose sum is σ = 12313212331314. Its totient is φ = 12313212331312.

The previous prime is 12313212331219. The next prime is 12313212331339. The reversal of 12313212331313 is 31313321231321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7092937848049 + 5220274483264 = 2663257^2 + 2284792^2 .

It is a cyclic number.

It is not a de Polignac number, because 12313212331313 - 2¹⁶ = 12313212265777 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12313212330313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156606165656 + 6156606165657.

It is an arithmetic number, because the mean of its divisors is an integer number (6156606165657).

Almost surely, 2^{12313212331313} is an apocalyptic number.

It is an amenable number.

12313212331313 is a deficient number, since it is larger than the sum of its proper divisors (1).

12313212331313 is an equidigital number, since it uses as much as digits as its factorization.

12313212331313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 29.

Adding to 12313212331313 its reverse (31313321231321), we get a palindrome (43626533562634).

The spelling of 12313212331313 in words is "twelve trillion, three hundred thirteen billion, two hundred twelve million, three hundred thirty-one thousand, three hundred thirteen".