12311303611 has 2 divisors, whose sum is σ = 12311303612. Its totient is φ = 12311303610.

The previous prime is 12311303581. The next prime is 12311303621. The reversal of 12311303611 is 11630311321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12311303611 - 2⁷ = 12311303483 is a prime.

It is not a weakly prime, because it can be changed into another prime (12311303621) 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, 6155651805 + 6155651806.

It is an arithmetic number, because the mean of its divisors is an integer number (6155651806).

Almost surely, 2^12311303611 is an apocalyptic number.

12311303611 is a deficient number, since it is larger than the sum of its proper divisors (1).

12311303611 is an equidigital number, since it uses as much as digits as its factorization.

12311303611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 12311303611 its reverse (11630311321), we get a palindrome (23941614932).

The spelling of 12311303611 in words is "twelve billion, three hundred eleven million, three hundred three thousand, six hundred eleven".