12333231311 has 2 divisors, whose sum is σ = 12333231312. Its totient is φ = 12333231310.

The previous prime is 12333231283. The next prime is 12333231359. The reversal of 12333231311 is 11313233321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12333231311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12333231371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6166615655 + 6166615656.

It is an arithmetic number, because the mean of its divisors is an integer number (6166615656).

Almost surely, 2^12333231311 is an apocalyptic number.

12333231311 is a deficient number, since it is larger than the sum of its proper divisors (1).

12333231311 is an equidigital number, since it uses as much as digits as its factorization.

12333231311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 23.

Adding to 12333231311 its reverse (11313233321), we get a palindrome (23646464632).

The spelling of 12333231311 in words is "twelve billion, three hundred thirty-three million, two hundred thirty-one thousand, three hundred eleven".