12303131989 has 2 divisors, whose sum is σ = 12303131990. Its totient is φ = 12303131988.

The previous prime is 12303131987. The next prime is 12303132041. The reversal of 12303131989 is 98913130321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11888195089 + 414936900 = 109033^2 + 20370^2 .

It is a cyclic number.

It is not a de Polignac number, because 12303131989 - 2¹ = 12303131987 is a prime.

It is a super-2 number, since 2×12303131989² (a number of 21 digits) contains 22 as substring.

Together with 12303131987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12303131987) 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, 6151565994 + 6151565995.

It is an arithmetic number, because the mean of its divisors is an integer number (6151565995).

Almost surely, 2^12303131989 is an apocalyptic number.

It is an amenable number.

12303131989 is a deficient number, since it is larger than the sum of its proper divisors (1).

12303131989 is an equidigital number, since it uses as much as digits as its factorization.

12303131989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 12303131989 in words is "twelve billion, three hundred three million, one hundred thirty-one thousand, nine hundred eighty-nine".