12303131987 has 2 divisors, whose sum is σ = 12303131988. Its totient is φ = 12303131986.

The previous prime is 12303131977. The next prime is 12303131989. The reversal of 12303131987 is 78913130321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12303131987 - 2²⁰ = 12302083411 is a prime.

Together with 12303131989, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12303131987.

It is not a weakly prime, because it can be changed into another prime (12303131989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6151565993 + 6151565994.

It is an arithmetic number, because the mean of its divisors is an integer number (6151565994).

Almost surely, 2^12303131987 is an apocalyptic number.

12303131987 is a deficient number, since it is larger than the sum of its proper divisors (1).

12303131987 is an equidigital number, since it uses as much as digits as its factorization.

12303131987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 12303131987 in words is "twelve billion, three hundred three million, one hundred thirty-one thousand, nine hundred eighty-seven".