12313331311331 has 2 divisors, whose sum is σ = 12313331311332. Its totient is φ = 12313331311330.

The previous prime is 12313331311313. The next prime is 12313331311339. The reversal of 12313331311331 is 13311313331321.

Together with previous prime (12313331311313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (13311313331321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12313331311331 - 2¹⁴ = 12313331294947 is a prime.

It is a super-2 number, since 2×12313331311331² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12313331311294 and 12313331311303.

It is not a weakly prime, because it can be changed into another prime (12313331311339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156665655665 + 6156665655666.

It is an arithmetic number, because the mean of its divisors is an integer number (6156665655666).

Almost surely, 2^{12313331311331} is an apocalyptic number.

12313331311331 is a deficient number, since it is larger than the sum of its proper divisors (1).

12313331311331 is an equidigital number, since it uses as much as digits as its factorization.

12313331311331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4374, while the sum is 29.

Adding to 12313331311331 its reverse (13311313331321), we get a palindrome (25624644642652).

The spelling of 12313331311331 in words is "twelve trillion, three hundred thirteen billion, three hundred thirty-one million, three hundred eleven thousand, three hundred thirty-one".