12331043033 has 2 divisors, whose sum is σ = 12331043034. Its totient is φ = 12331043032.

The previous prime is 12331042987. The next prime is 12331043071. The reversal of 12331043033 is 33034013321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9184730569 + 3146312464 = 95837^2 + 56092^2 .

It is a cyclic number.

It is not a de Polignac number, because 12331043033 - 2⁸ = 12331042777 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12331043533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6165521516 + 6165521517.

It is an arithmetic number, because the mean of its divisors is an integer number (6165521517).

Almost surely, 2^12331043033 is an apocalyptic number.

It is an amenable number.

12331043033 is a deficient number, since it is larger than the sum of its proper divisors (1).

12331043033 is an equidigital number, since it uses as much as digits as its factorization.

12331043033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 12331043033 its reverse (33034013321), we get a palindrome (45365056354).

The spelling of 12331043033 in words is "twelve billion, three hundred thirty-one million, forty-three thousand, thirty-three".