33013321 has 8 divisors (see below), whose sum is σ = 36064224. Its totient is φ = 29970720.

The previous prime is 33013319. The next prime is 33013363. The reversal of 33013321 is 12331033.

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 33013321 - 2¹ = 33013319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33013295 and 33013304.

It is not an unprimeable number, because it can be changed into a prime (33013381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8706 + ... + 11908.

It is an arithmetic number, because the mean of its divisors is an integer number (4508028).

Almost surely, 2^33013321 is an apocalyptic number.

It is an amenable number.

33013321 is a deficient number, since it is larger than the sum of its proper divisors (3050903).

33013321 is a wasteful number, since it uses less digits than its factorization.

33013321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4151.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 33013321 is about 5745.7219737819. The cubic root of 33013321 is about 320.7965863500.

Adding to 33013321 its reverse (12331033), we get a palindrome (45344354).

The spelling of 33013321 in words is "thirty-three million, thirteen thousand, three hundred twenty-one".