33321112013 has 16 divisors (see below), whose sum is σ = 38601360000. Its totient is φ = 28172424192.

The previous prime is 33321112001. The next prime is 33321112037. The reversal of 33321112013 is 31021112333.

It is a cyclic number.

It is not a de Polignac number, because 33321112013 - 2²⁰ = 33320063437 is a prime.

It is a super-2 number, since 2×33321112013² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33321112063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197213 + ... + 324861.

It is an arithmetic number, because the mean of its divisors is an integer number (2412585000).

Almost surely, 2^33321112013 is an apocalyptic number.

It is an amenable number.

33321112013 is a deficient number, since it is larger than the sum of its proper divisors (5280247987).

33321112013 is a wasteful number, since it uses less digits than its factorization.

33321112013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128164.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 33321112013 its reverse (31021112333), we get a palindrome (64342224346).

The spelling of 33321112013 in words is "thirty-three billion, three hundred twenty-one million, one hundred twelve thousand, thirteen".