12330320231 has 2 divisors, whose sum is σ = 12330320232. Its totient is φ = 12330320230.

The previous prime is 12330320227. The next prime is 12330320239. The reversal of 12330320231 is 13202303321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12330320231 - 2² = 12330320227 is a prime.

It is a super-2 number, since 2×12330320231² (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 (12330320239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6165160115 + 6165160116.

It is an arithmetic number, because the mean of its divisors is an integer number (6165160116).

Almost surely, 2^12330320231 is an apocalyptic number.

12330320231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12330320231 is an equidigital number, since it uses as much as digits as its factorization.

12330320231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12330320231 its reverse (13202303321), we get a palindrome (25532623552).

The spelling of 12330320231 in words is "twelve billion, three hundred thirty million, three hundred twenty thousand, two hundred thirty-one".