12431775803 has 2 divisors, whose sum is σ = 12431775804. Its totient is φ = 12431775802.

The previous prime is 12431775799. The next prime is 12431775823. The reversal of 12431775803 is 30857713421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12431775803 - 2² = 12431775799 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12431775823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6215887901 + 6215887902.

It is an arithmetic number, because the mean of its divisors is an integer number (6215887902).

Almost surely, 2^12431775803 is an apocalyptic number.

12431775803 is a deficient number, since it is larger than the sum of its proper divisors (1).

12431775803 is an equidigital number, since it uses as much as digits as its factorization.

12431775803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 12431775803 in words is "twelve billion, four hundred thirty-one million, seven hundred seventy-five thousand, eight hundred three".