210130303 has 2 divisors, whose sum is σ = 210130304. Its totient is φ = 210130302.

The previous prime is 210130267. The next prime is 210130337. The reversal of 210130303 is 303031012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210130303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210130103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105065151 + 105065152.

It is an arithmetic number, because the mean of its divisors is an integer number (105065152).

Almost surely, 2^210130303 is an apocalyptic number.

210130303 is a deficient number, since it is larger than the sum of its proper divisors (1).

210130303 is an equidigital number, since it uses as much as digits as its factorization.

210130303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 210130303 is about 14495.8719296219. The cubic root of 210130303 is about 594.5151080898.

Adding to 210130303 its reverse (303031012), we get a palindrome (513161315).

The spelling of 210130303 in words is "two hundred ten million, one hundred thirty thousand, three hundred three".