233321113231 has 4 divisors (see below), whose sum is σ = 233617583032. Its totient is φ = 233024643432.

The previous prime is 233321113189. The next prime is 233321113271. The reversal of 233321113231 is 132311123332.

233321113231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 233321113231 - 2¹⁷ = 233320982159 is a prime.

It is a super-2 number, since 2×233321113231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233321113196 and 233321113205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233321113271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148233720 + ... + 148235293.

It is an arithmetic number, because the mean of its divisors is an integer number (58404395758).

Almost surely, 2^233321113231 is an apocalyptic number.

233321113231 is a deficient number, since it is larger than the sum of its proper divisors (296469801).

233321113231 is an equidigital number, since it uses as much as digits as its factorization.

233321113231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296469800.

The product of its digits is 1944, while the sum is 25.

Adding to 233321113231 its reverse (132311123332), we get a palindrome (365632236563).

The spelling of 233321113231 in words is "two hundred thirty-three billion, three hundred twenty-one million, one hundred thirteen thousand, two hundred thirty-one".