33030213 has 8 divisors (see below), whose sum is σ = 44269248. Its totient is φ = 21905664.

The previous prime is 33030199. The next prime is 33030253. The reversal of 33030213 is 31203033.

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

It is not a de Polignac number, because 33030213 - 2⁴ = 33030197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33030192 and 33030201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33030253) 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, 27945 + ... + 29102.

It is an arithmetic number, because the mean of its divisors is an integer number (5533656).

Almost surely, 2^33030213 is an apocalyptic number.

It is an amenable number.

33030213 is a deficient number, since it is larger than the sum of its proper divisors (11239035).

33030213 is a wasteful number, since it uses less digits than its factorization.

33030213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57243.

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

The square root of 33030213 is about 5747.1917490197. The cubic root of 33030213 is about 320.8512912570.

Adding to 33030213 its reverse (31203033), we get a palindrome (64233246).

The spelling of 33030213 in words is "thirty-three million, thirty thousand, two hundred thirteen".