233221033013 has 2 divisors, whose sum is σ = 233221033014. Its totient is φ = 233221033012.

The previous prime is 233221033007. The next prime is 233221033027. The reversal of 233221033013 is 310330122332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134676522289 + 98544510724 = 366983^2 + 313918^2 .

It is a cyclic number.

It is not a de Polignac number, because 233221033013 - 2⁸ = 233221032757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 233221033013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233221033813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116610516506 + 116610516507.

It is an arithmetic number, because the mean of its divisors is an integer number (116610516507).

Almost surely, 2^233221033013 is an apocalyptic number.

It is an amenable number.

233221033013 is a deficient number, since it is larger than the sum of its proper divisors (1).

233221033013 is an equidigital number, since it uses as much as digits as its factorization.

233221033013 is an evil number, because the sum of its binary digits is even.

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

Adding to 233221033013 its reverse (310330122332), we get a palindrome (543551155345).

The spelling of 233221033013 in words is "two hundred thirty-three billion, two hundred twenty-one million, thirty-three thousand, thirteen".