213103203 has 8 divisors (see below), whose sum is σ = 284206608. Its totient is φ = 142034304.

The previous prime is 213103201. The next prime is 213103237. The reversal of 213103203 is 302301312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213103203 - 2¹ = 213103201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213103201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15151 + ... + 25607.

It is an arithmetic number, because the mean of its divisors is an integer number (35525826).

Almost surely, 2^213103203 is an apocalyptic number.

213103203 is a deficient number, since it is larger than the sum of its proper divisors (71103405).

213103203 is a wasteful number, since it uses less digits than its factorization.

213103203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17253.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 213103203 is about 14598.0547676737. The cubic root of 213103203 is about 597.3056999104.

Adding to 213103203 its reverse (302301312), we get a palindrome (515404515).

The spelling of 213103203 in words is "two hundred thirteen million, one hundred three thousand, two hundred three".