210113203 has 2 divisors, whose sum is σ = 210113204. Its totient is φ = 210113202.

The previous prime is 210113159. The next prime is 210113209. The reversal of 210113203 is 302311012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210113203 - 2⁹ = 210112691 is a prime.

It is not a weakly prime, because it can be changed into another prime (210113209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105056601 + 105056602.

It is an arithmetic number, because the mean of its divisors is an integer number (105056602).

Almost surely, 2^210113203 is an apocalyptic number.

210113203 is a deficient number, since it is larger than the sum of its proper divisors (1).

210113203 is an equidigital number, since it uses as much as digits as its factorization.

210113203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 210113203 is about 14495.2820945299. The cubic root of 210113203 is about 594.4989808203.

Adding to 210113203 its reverse (302311012), we get a palindrome (512424215).

The spelling of 210113203 in words is "two hundred ten million, one hundred thirteen thousand, two hundred three".