213132303233 has 2 divisors, whose sum is σ = 213132303234. Its totient is φ = 213132303232.

The previous prime is 213132303229. The next prime is 213132303283. The reversal of 213132303233 is 332303231312.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137290998784 + 75841304449 = 370528^2 + 275393^2 .

It is a cyclic number.

It is not a de Polignac number, because 213132303233 - 2² = 213132303229 is a prime.

It is not a weakly prime, because it can be changed into another prime (213132303283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106566151616 + 106566151617.

It is an arithmetic number, because the mean of its divisors is an integer number (106566151617).

Almost surely, 2^213132303233 is an apocalyptic number.

It is an amenable number.

213132303233 is a deficient number, since it is larger than the sum of its proper divisors (1).

213132303233 is an equidigital number, since it uses as much as digits as its factorization.

213132303233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 213132303233 its reverse (332303231312), we get a palindrome (545435534545).

The spelling of 213132303233 in words is "two hundred thirteen billion, one hundred thirty-two million, three hundred three thousand, two hundred thirty-three".