213330203 has 2 divisors, whose sum is σ = 213330204. Its totient is φ = 213330202.

The previous prime is 213330199. The next prime is 213330209. The reversal of 213330203 is 302033312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213330203 - 2² = 213330199 is a prime.

It is not a weakly prime, because it can be changed into another prime (213330209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106665101 + 106665102.

It is an arithmetic number, because the mean of its divisors is an integer number (106665102).

Almost surely, 2^213330203 is an apocalyptic number.

213330203 is a deficient number, since it is larger than the sum of its proper divisors (1).

213330203 is an equidigital number, since it uses as much as digits as its factorization.

213330203 is an odious number, because the sum of its binary digits is odd.

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

The square root of 213330203 is about 14605.8277067751. The cubic root of 213330203 is about 597.5177102994.

Adding to 213330203 its reverse (302033312), we get a palindrome (515363515).

The spelling of 213330203 in words is "two hundred thirteen million, three hundred thirty thousand, two hundred three".