213333203 has 16 divisors (see below), whose sum is σ = 222289920. Its totient is φ = 204624000.

The previous prime is 213333199. The next prime is 213333217. The reversal of 213333203 is 302333312.

It is a cyclic number.

It is not a de Polignac number, because 213333203 - 2² = 213333199 is a prime.

It is a super-2 number, since 2×213333203² = 91022111004478418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213333223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 531803 + ... + 532203.

It is an arithmetic number, because the mean of its divisors is an integer number (13893120).

Almost surely, 2^213333203 is an apocalyptic number.

213333203 is a deficient number, since it is larger than the sum of its proper divisors (8956717).

213333203 is a wasteful number, since it uses less digits than its factorization.

213333203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658.

The product of its (nonzero) digits is 972, while the sum is 20.

The square root of 213333203 is about 14605.9304051471. The cubic root of 213333203 is about 597.5205111917.

Adding to 213333203 its reverse (302333312), we get a palindrome (515666515).

The spelling of 213333203 in words is "two hundred thirteen million, three hundred thirty-three thousand, two hundred three".