12311300219 has 2 divisors, whose sum is σ = 12311300220. Its totient is φ = 12311300218.

The previous prime is 12311300189. The next prime is 12311300257. The reversal of 12311300219 is 91200311321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12311300219 is a prime.

It is a super-2 number, since 2×12311300219² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 12311300194 and 12311300203.

It is not a weakly prime, because it can be changed into another prime (12311300299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155650109 + 6155650110.

It is an arithmetic number, because the mean of its divisors is an integer number (6155650110).

Almost surely, 2^12311300219 is an apocalyptic number.

12311300219 is a deficient number, since it is larger than the sum of its proper divisors (1).

12311300219 is an equidigital number, since it uses as much as digits as its factorization.

12311300219 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 23.

The spelling of 12311300219 in words is "twelve billion, three hundred eleven million, three hundred thousand, two hundred nineteen".