12431995907 has 2 divisors, whose sum is σ = 12431995908. Its totient is φ = 12431995906.

The previous prime is 12431995879. The next prime is 12431995921. The reversal of 12431995907 is 70959913421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12431995907 - 2¹² = 12431991811 is a prime.

It is not a weakly prime, because it can be changed into another prime (12431995957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6215997953 + 6215997954.

It is an arithmetic number, because the mean of its divisors is an integer number (6215997954).

Almost surely, 2^12431995907 is an apocalyptic number.

12431995907 is a deficient number, since it is larger than the sum of its proper divisors (1).

12431995907 is an equidigital number, since it uses as much as digits as its factorization.

12431995907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 612360, while the sum is 50.

The spelling of 12431995907 in words is "twelve billion, four hundred thirty-one million, nine hundred ninety-five thousand, nine hundred seven".