213385303 has 2 divisors, whose sum is σ = 213385304. Its totient is φ = 213385302.

The previous prime is 213385229. The next prime is 213385321. The reversal of 213385303 is 303583312.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213385303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213385373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106692651 + 106692652.

It is an arithmetic number, because the mean of its divisors is an integer number (106692652).

Almost surely, 2^213385303 is an apocalyptic number.

213385303 is a deficient number, since it is larger than the sum of its proper divisors (1).

213385303 is an equidigital number, since it uses as much as digits as its factorization.

213385303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 213385303 is about 14607.7138183906. The cubic root of 213385303 is about 597.5691491663.

The spelling of 213385303 in words is "two hundred thirteen million, three hundred eighty-five thousand, three hundred three".