30304213 has 8 divisors (see below), whose sum is σ = 30820608. Its totient is φ = 29791584.

The previous prime is 30304187. The next prime is 30304231. The reversal of 30304213 is 31240303.

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

It is a cyclic number.

It is not a de Polignac number, because 30304213 - 2⁹ = 30303701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30304243) 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, 18556 + ... + 20122.

It is an arithmetic number, because the mean of its divisors is an integer number (3852576).

Almost surely, 2^30304213 is an apocalyptic number.

It is an amenable number.

30304213 is a deficient number, since it is larger than the sum of its proper divisors (516395).

30304213 is a wasteful number, since it uses less digits than its factorization.

30304213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 30304213 is about 5504.9262483706. The cubic root of 30304213 is about 311.7700098002.

Adding to 30304213 its reverse (31240303), we get a palindrome (61544516).

The spelling of 30304213 in words is "thirty million, three hundred four thousand, two hundred thirteen".