213202303 has 2 divisors, whose sum is σ = 213202304. Its totient is φ = 213202302.

The previous prime is 213202291. The next prime is 213202307. The reversal of 213202303 is 303202312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213202303 - 2⁵ = 213202271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213202307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106601151 + 106601152.

It is an arithmetic number, because the mean of its divisors is an integer number (106601152).

Almost surely, 2^213202303 is an apocalyptic number.

213202303 is a deficient number, since it is larger than the sum of its proper divisors (1).

213202303 is an equidigital number, since it uses as much as digits as its factorization.

213202303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 213202303 is about 14601.4486610062. The cubic root of 213202303 is about 597.3982744953.

Adding to 213202303 its reverse (303202312), we get a palindrome (516404615).

Subtracting 213202303 from its reverse (303202312), we obtain a palindrome (90000009).

The spelling of 213202303 in words is "two hundred thirteen million, two hundred two thousand, three hundred three".