233201312213 has 2 divisors, whose sum is σ = 233201312214. Its totient is φ = 233201312212.

The previous prime is 233201312171. The next prime is 233201312219. The reversal of 233201312213 is 312213102332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 233136396964 + 64915249 = 482842^2 + 8057^2 .

It is a cyclic number.

It is not a de Polignac number, because 233201312213 - 2¹² = 233201308117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233201312219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116600656106 + 116600656107.

It is an arithmetic number, because the mean of its divisors is an integer number (116600656107).

Almost surely, 2^233201312213 is an apocalyptic number.

It is an amenable number.

233201312213 is a deficient number, since it is larger than the sum of its proper divisors (1).

233201312213 is an equidigital number, since it uses as much as digits as its factorization.

233201312213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 233201312213 its reverse (312213102332), we get a palindrome (545414414545).

The spelling of 233201312213 in words is "two hundred thirty-three billion, two hundred one million, three hundred twelve thousand, two hundred thirteen".