213322203 has 6 divisors (see below), whose sum is σ = 308132084. Its totient is φ = 142214796.

The previous prime is 213322189. The next prime is 213322211. The reversal of 213322203 is 302223312.

It is a happy number.

It is not a de Polignac number, because 213322203 - 2⁸ = 213321947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213322223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11851225 + ... + 11851242.

Almost surely, 2^213322203 is an apocalyptic number.

213322203 is a deficient number, since it is larger than the sum of its proper divisors (94809881).

213322203 is a wasteful number, since it uses less digits than its factorization.

213322203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23702473 (or 23702470 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 213322203 is about 14605.5538409196. The cubic root of 213322203 is about 597.5102411251.

Adding to 213322203 its reverse (302223312), we get a palindrome (515545515).

It can be divided in two parts, 2133 and 22203, that added together give a square (24336 = 156²).

The spelling of 213322203 in words is "two hundred thirteen million, three hundred twenty-two thousand, two hundred three".