330203213 has 2 divisors, whose sum is σ = 330203214. Its totient is φ = 330203212.

The previous prime is 330203201. The next prime is 330203219. The reversal of 330203213 is 312302033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193710724 + 136492489 = 13918^2 + 11683^2 .

It is an emirp because it is prime and its reverse (312302033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 330203213 - 2¹⁰ = 330202189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 330203191 and 330203200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330203219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165101606 + 165101607.

It is an arithmetic number, because the mean of its divisors is an integer number (165101607).

Almost surely, 2^330203213 is an apocalyptic number.

It is an amenable number.

330203213 is a deficient number, since it is larger than the sum of its proper divisors (1).

330203213 is an equidigital number, since it uses as much as digits as its factorization.

330203213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 330203213 is about 18171.4945175129. The cubic root of 330203213 is about 691.1841411509.

Adding to 330203213 its reverse (312302033), we get a palindrome (642505246).

The spelling of 330203213 in words is "three hundred thirty million, two hundred three thousand, two hundred thirteen".