33213011 has 8 divisors (see below), whose sum is σ = 35814240. Its totient is φ = 30618432.

The previous prime is 33212999. The next prime is 33213017. The reversal of 33213011 is 11031233.

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

It is not a de Polignac number, because 33213011 - 2²² = 29018707 is a prime.

It is a super-2 number, since 2×33213011² = 2206208199372242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33213017) 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, 14855 + ... + 16943.

It is an arithmetic number, because the mean of its divisors is an integer number (4476780).

Almost surely, 2^33213011 is an apocalyptic number.

33213011 is a deficient number, since it is larger than the sum of its proper divisors (2601229).

33213011 is a wasteful number, since it uses less digits than its factorization.

33213011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3325.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 33213011 is about 5763.0730517667. The cubic root of 33213011 is about 321.4420948855.

Adding to 33213011 its reverse (11031233), we get a palindrome (44244244).

The spelling of 33213011 in words is "thirty-three million, two hundred thirteen thousand, eleven".