12313312231133 has 2 divisors, whose sum is σ = 12313312231134. Its totient is φ = 12313312231132.

The previous prime is 12313312230971. The next prime is 12313312231151. The reversal of 12313312231133 is 33113221331321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11767904871844 + 545407359289 = 3430438^2 + 738517^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12313312231133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12313312231096 and 12313312231105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12313312231733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156656115566 + 6156656115567.

It is an arithmetic number, because the mean of its divisors is an integer number (6156656115567).

Almost surely, 2^{12313312231133} is an apocalyptic number.

It is an amenable number.

12313312231133 is a deficient number, since it is larger than the sum of its proper divisors (1).

12313312231133 is an equidigital number, since it uses as much as digits as its factorization.

12313312231133 is an evil number, because the sum of its binary digits is even.

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

Adding to 12313312231133 its reverse (33113221331321), we get a palindrome (45426533562454).

The spelling of 12313312231133 in words is "twelve trillion, three hundred thirteen billion, three hundred twelve million, two hundred thirty-one thousand, one hundred thirty-three".