213411203 has 4 divisors (see below), whose sum is σ = 220770240. Its totient is φ = 206052168.

The previous prime is 213411197. The next prime is 213411221. The reversal of 213411203 is 302114312.

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 213411203 - 2⁸ = 213410947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213411703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3679475 + ... + 3679532.

It is an arithmetic number, because the mean of its divisors is an integer number (55192560).

Almost surely, 2^213411203 is an apocalyptic number.

213411203 is a deficient number, since it is larger than the sum of its proper divisors (7359037).

213411203 is an equidigital number, since it uses as much as digits as its factorization.

213411203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7359036.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 213411203 is about 14608.6003094068. The cubic root of 213411203 is about 597.5933251750.

Adding to 213411203 its reverse (302114312), we get a palindrome (515525515).

The spelling of 213411203 in words is "two hundred thirteen million, four hundred eleven thousand, two hundred three".