213033203 has 4 divisors (see below), whose sum is σ = 213100200. Its totient is φ = 212966208.

The previous prime is 213033181. The next prime is 213033241. The reversal of 213033203 is 302330312.

213033203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213033203 - 2¹⁸ = 212771059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213033283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28478 + ... + 35171.

It is an arithmetic number, because the mean of its divisors is an integer number (53275050).

Almost surely, 2^213033203 is an apocalyptic number.

213033203 is a deficient number, since it is larger than the sum of its proper divisors (66997).

213033203 is an equidigital number, since it uses as much as digits as its factorization.

213033203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66996.

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

The square root of 213033203 is about 14595.6569910368. The cubic root of 213033203 is about 597.2402918870.

Adding to 213033203 its reverse (302330312), we get a palindrome (515363515).

The spelling of 213033203 in words is "two hundred thirteen million, thirty-three thousand, two hundred three".