12289232831 has 2 divisors, whose sum is σ = 12289232832. Its totient is φ = 12289232830.

The previous prime is 12289232783. The next prime is 12289232863. The reversal of 12289232831 is 13823298221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12289232831 - 2¹⁰ = 12289231807 is a prime.

It is a super-2 number, since 2×12289232831² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12289232881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6144616415 + 6144616416.

It is an arithmetic number, because the mean of its divisors is an integer number (6144616416).

Almost surely, 2^12289232831 is an apocalyptic number.

12289232831 is a deficient number, since it is larger than the sum of its proper divisors (1).

12289232831 is an equidigital number, since it uses as much as digits as its factorization.

12289232831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 41.

The spelling of 12289232831 in words is "twelve billion, two hundred eighty-nine million, two hundred thirty-two thousand, eight hundred thirty-one".