12304431019 has 2 divisors, whose sum is σ = 12304431020. Its totient is φ = 12304431018.

The previous prime is 12304430981. The next prime is 12304431043. The reversal of 12304431019 is 91013440321.

It is a strong prime.

It is an emirp because it is prime and its reverse (91013440321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12304431019 - 2⁹ = 12304430507 is a prime.

It is a super-2 number, since 2×12304431019² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12304431059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6152215509 + 6152215510.

It is an arithmetic number, because the mean of its divisors is an integer number (6152215510).

Almost surely, 2^12304431019 is an apocalyptic number.

12304431019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12304431019 is an equidigital number, since it uses as much as digits as its factorization.

12304431019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 12304431019 in words is "twelve billion, three hundred four million, four hundred thirty-one thousand, nineteen".