213304271 has 2 divisors, whose sum is σ = 213304272. Its totient is φ = 213304270.

The previous prime is 213304249. The next prime is 213304307. The reversal of 213304271 is 172403312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213304271 - 2⁶ = 213304207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213306271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106652135 + 106652136.

It is an arithmetic number, because the mean of its divisors is an integer number (106652136).

Almost surely, 2^213304271 is an apocalyptic number.

213304271 is a deficient number, since it is larger than the sum of its proper divisors (1).

213304271 is an equidigital number, since it uses as much as digits as its factorization.

213304271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 213304271 is about 14604.9399519478. The cubic root of 213304271 is about 597.4934982924.

Adding to 213304271 its reverse (172403312), we get a palindrome (385707583).

The spelling of 213304271 in words is "two hundred thirteen million, three hundred four thousand, two hundred seventy-one".