213030303 has 8 divisors (see below), whose sum is σ = 285610416. Its totient is φ = 141235200.

The previous prime is 213030287. The next prime is 213030313. The reversal of 213030303 is 303030312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213030303 - 2⁴ = 213030287 is a prime.

213030303 is a modest number, since divided by 30303 gives 213 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213030313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195618 + ... + 196703.

It is an arithmetic number, because the mean of its divisors is an integer number (35701302).

Almost surely, 2^213030303 is an apocalyptic number.

213030303 is a deficient number, since it is larger than the sum of its proper divisors (72580113).

213030303 is a wasteful number, since it uses less digits than its factorization.

213030303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392505.

The product of its (nonzero) digits is 162, while the sum is 15.

The square root of 213030303 is about 14595.5576460785. The cubic root of 213030303 is about 597.2375818169.

Adding to 213030303 its reverse (303030312), we get a palindrome (516060615).

Subtracting 213030303 from its reverse (303030312), we obtain a palindrome (90000009).

The spelling of 213030303 in words is "two hundred thirteen million, thirty thousand, three hundred three".