12130312331 has 2 divisors, whose sum is σ = 12130312332. Its totient is φ = 12130312330.

The previous prime is 12130312261. The next prime is 12130312351. The reversal of 12130312331 is 13321303121.

It is an a-pointer prime, because the next prime (12130312351) can be obtained adding 12130312331 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12130312331 - 2¹⁸ = 12130050187 is a prime.

It is a super-2 number, since 2×12130312331² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12130312351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6065156165 + 6065156166.

It is an arithmetic number, because the mean of its divisors is an integer number (6065156166).

Almost surely, 2^12130312331 is an apocalyptic number.

12130312331 is a deficient number, since it is larger than the sum of its proper divisors (1).

12130312331 is an equidigital number, since it uses as much as digits as its factorization.

12130312331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12130312331 its reverse (13321303121), we get a palindrome (25451615452).

The spelling of 12130312331 in words is "twelve billion, one hundred thirty million, three hundred twelve thousand, three hundred thirty-one".