12312311371 has 2 divisors, whose sum is σ = 12312311372. Its totient is φ = 12312311370.

The previous prime is 12312311359. The next prime is 12312311377. The reversal of 12312311371 is 17311321321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12312311371 - 2¹¹ = 12312309323 is a prime.

It is a super-2 number, since 2×12312311371² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12312311377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156155685 + 6156155686.

It is an arithmetic number, because the mean of its divisors is an integer number (6156155686).

Almost surely, 2^12312311371 is an apocalyptic number.

12312311371 is a deficient number, since it is larger than the sum of its proper divisors (1).

12312311371 is an equidigital number, since it uses as much as digits as its factorization.

12312311371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756, while the sum is 25.

Adding to 12312311371 its reverse (17311321321), we get a palindrome (29623632692).

The spelling of 12312311371 in words is "twelve billion, three hundred twelve million, three hundred eleven thousand, three hundred seventy-one".