13233943231 has 2 divisors, whose sum is σ = 13233943232. Its totient is φ = 13233943230.

The previous prime is 13233943211. The next prime is 13233943237. The reversal of 13233943231 is 13234933231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13233943231 - 2¹⁵ = 13233910463 is a prime.

It is a super-2 number, since 2×13233943231² (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 (13233943237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6616971615 + 6616971616.

It is an arithmetic number, because the mean of its divisors is an integer number (6616971616).

Almost surely, 2^13233943231 is an apocalyptic number.

13233943231 is a deficient number, since it is larger than the sum of its proper divisors (1).

13233943231 is an equidigital number, since it uses as much as digits as its factorization.

13233943231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 34.

The spelling of 13233943231 in words is "thirteen billion, two hundred thirty-three million, nine hundred forty-three thousand, two hundred thirty-one".