213030233 has 8 divisors (see below), whose sum is σ = 236818176. Its totient is φ = 190299600.

The previous prime is 213030229. The next prime is 213030287. The reversal of 213030233 is 332030312.

213030233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213030233 - 2² = 213030229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213030203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263903 + ... + 264708.

It is an arithmetic number, because the mean of its divisors is an integer number (29602272).

Almost surely, 2^213030233 is an apocalyptic number.

It is an amenable number.

213030233 is a deficient number, since it is larger than the sum of its proper divisors (23787943).

213030233 is a wasteful number, since it uses less digits than its factorization.

213030233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528655.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 213030233 is about 14595.5552480884. Note that the first 3 decimals coincide. The cubic root of 213030233 is about 597.2375164012.

Adding to 213030233 its reverse (332030312), we get a palindrome (545060545).

The spelling of 213030233 in words is "two hundred thirteen million, thirty thousand, two hundred thirty-three".