12311002043 has 2 divisors, whose sum is σ = 12311002044. Its totient is φ = 12311002042.

The previous prime is 12311001977. The next prime is 12311002049. The reversal of 12311002043 is 34020011321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12311002043 - 2¹⁸ = 12310739899 is a prime.

It is not a weakly prime, because it can be changed into another prime (12311002049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155501021 + 6155501022.

It is an arithmetic number, because the mean of its divisors is an integer number (6155501022).

Almost surely, 2^12311002043 is an apocalyptic number.

12311002043 is a deficient number, since it is larger than the sum of its proper divisors (1).

12311002043 is an equidigital number, since it uses as much as digits as its factorization.

12311002043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12311002043 its reverse (34020011321), we get a palindrome (46331013364).

The spelling of 12311002043 in words is "twelve billion, three hundred eleven million, two thousand, forty-three".