213020233 has 2 divisors, whose sum is σ = 213020234. Its totient is φ = 213020232.

The previous prime is 213020231. The next prime is 213020257. The reversal of 213020233 is 332020312.

213020233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211644304 + 1375929 = 14548^2 + 1173^2 .

It is a cyclic number.

It is not a de Polignac number, because 213020233 - 2¹ = 213020231 is a prime.

Together with 213020231, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (213020231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106510116 + 106510117.

It is an arithmetic number, because the mean of its divisors is an integer number (106510117).

Almost surely, 2^213020233 is an apocalyptic number.

It is an amenable number.

213020233 is a deficient number, since it is larger than the sum of its proper divisors (1).

213020233 is an equidigital number, since it uses as much as digits as its factorization.

213020233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 213020233 is about 14595.2126740243. The cubic root of 213020233 is about 597.2281711414.

Adding to 213020233 its reverse (332020312), we get a palindrome (545040545).

The spelling of 213020233 in words is "two hundred thirteen million, twenty thousand, two hundred thirty-three".