12808807831 has 2 divisors, whose sum is σ = 12808807832. Its totient is φ = 12808807830.

The previous prime is 12808807787. The next prime is 12808807849. The reversal of 12808807831 is 13870880821.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12808807831 - 2²³ = 12800419223 is a prime.

It is a super-2 number, since 2×12808807831² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12808807331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6404403915 + 6404403916.

It is an arithmetic number, because the mean of its divisors is an integer number (6404403916).

Almost surely, 2^12808807831 is an apocalyptic number.

12808807831 is a deficient number, since it is larger than the sum of its proper divisors (1).

12808807831 is an equidigital number, since it uses as much as digits as its factorization.

12808807831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172032, while the sum is 46.

The spelling of 12808807831 in words is "twelve billion, eight hundred eight million, eight hundred seven thousand, eight hundred thirty-one".