210130203 has 4 divisors (see below), whose sum is σ = 280173608. Its totient is φ = 140086800.

The previous prime is 210130169. The next prime is 210130223. The reversal of 210130203 is 302031012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 210130203 - 2²⁰ = 209081627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210130223) 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, 35021698 + ... + 35021703.

It is an arithmetic number, because the mean of its divisors is an integer number (70043402).

Almost surely, 2^210130203 is an apocalyptic number.

210130203 is a deficient number, since it is larger than the sum of its proper divisors (70043405).

210130203 is an equidigital number, since it uses as much as digits as its factorization.

210130203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70043404.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 210130203 is about 14495.8684803636. The cubic root of 210130203 is about 594.5150137809.

Adding to 210130203 its reverse (302031012), we get a palindrome (512161215).

The spelling of 210130203 in words is "two hundred ten million, one hundred thirty thousand, two hundred three".