233221132320133 has 2 divisors, whose sum is σ = 233221132320134. Its totient is φ = 233221132320132.

The previous prime is 233221132320091. The next prime is 233221132320161. The reversal of 233221132320133 is 331023231122332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 228591478654564 + 4629653665569 = 15119242^2 + 2151663^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233221132320133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 233221132320095 and 233221132320104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233221132320193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116610566160066 + 116610566160067.

It is an arithmetic number, because the mean of its divisors is an integer number (116610566160067).

Almost surely, 2^{233221132320133} is an apocalyptic number.

It is an amenable number.

233221132320133 is a deficient number, since it is larger than the sum of its proper divisors (1).

233221132320133 is an equidigital number, since it uses as much as digits as its factorization.

233221132320133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 233221132320133 its reverse (331023231122332), we get a palindrome (564244363442465).

The spelling of 233221132320133 in words is "two hundred thirty-three trillion, two hundred twenty-one billion, one hundred thirty-two million, three hundred twenty thousand, one hundred thirty-three".