12431504087 has 2 divisors, whose sum is σ = 12431504088. Its totient is φ = 12431504086.

The previous prime is 12431504021. The next prime is 12431504123. The reversal of 12431504087 is 78040513421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12431504087 - 2⁸ = 12431503831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12431504387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6215752043 + 6215752044.

It is an arithmetic number, because the mean of its divisors is an integer number (6215752044).

Almost surely, 2^12431504087 is an apocalyptic number.

12431504087 is a deficient number, since it is larger than the sum of its proper divisors (1).

12431504087 is an equidigital number, since it uses as much as digits as its factorization.

12431504087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 12431504087 in words is "twelve billion, four hundred thirty-one million, five hundred four thousand, eighty-seven".