12311316937 has 2 divisors, whose sum is σ = 12311316938. Its totient is φ = 12311316936.

The previous prime is 12311316923. The next prime is 12311316977. The reversal of 12311316937 is 73961311321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11552810256 + 758506681 = 107484^2 + 27541^2 .

It is an emirp because it is prime and its reverse (73961311321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12311316937 - 2¹¹ = 12311314889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12311316896 and 12311316905.

It is not a weakly prime, because it can be changed into another prime (12311316907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155658468 + 6155658469.

It is an arithmetic number, because the mean of its divisors is an integer number (6155658469).

Almost surely, 2^12311316937 is an apocalyptic number.

It is an amenable number.

12311316937 is a deficient number, since it is larger than the sum of its proper divisors (1).

12311316937 is an equidigital number, since it uses as much as digits as its factorization.

12311316937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 37.

The spelling of 12311316937 in words is "twelve billion, three hundred eleven million, three hundred sixteen thousand, nine hundred thirty-seven".