213346303 has 2 divisors, whose sum is σ = 213346304. Its totient is φ = 213346302.

The previous prime is 213346283. The next prime is 213346313. The reversal of 213346303 is 303643312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213346303 - 2⁹ = 213345791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213346313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106673151 + 106673152.

It is an arithmetic number, because the mean of its divisors is an integer number (106673152).

Almost surely, 2^213346303 is an apocalyptic number.

213346303 is a deficient number, since it is larger than the sum of its proper divisors (1).

213346303 is an equidigital number, since it uses as much as digits as its factorization.

213346303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 25.

The square root of 213346303 is about 14606.3788462439. The cubic root of 213346303 is about 597.5327414468.

Adding to 213346303 its reverse (303643312), we get a palindrome (516989615).

The spelling of 213346303 in words is "two hundred thirteen million, three hundred forty-six thousand, three hundred three".