12311715233 has 2 divisors, whose sum is σ = 12311715234. Its totient is φ = 12311715232.

The previous prime is 12311715211. The next prime is 12311715239. The reversal of 12311715233 is 33251711321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11484980224 + 826735009 = 107168^2 + 28753^2 .

It is an emirp because it is prime and its reverse (33251711321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12311715233 - 2¹⁰ = 12311714209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12311715196 and 12311715205.

It is not a weakly prime, because it can be changed into another prime (12311715239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155857616 + 6155857617.

It is an arithmetic number, because the mean of its divisors is an integer number (6155857617).

Almost surely, 2^12311715233 is an apocalyptic number.

It is an amenable number.

12311715233 is a deficient number, since it is larger than the sum of its proper divisors (1).

12311715233 is an equidigital number, since it uses as much as digits as its factorization.

12311715233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 29.

The spelling of 12311715233 in words is "twelve billion, three hundred eleven million, seven hundred fifteen thousand, two hundred thirty-three".