33321012013 has 4 divisors (see below), whose sum is σ = 33644517088. Its totient is φ = 32997506940.

The previous prime is 33321012007. The next prime is 33321012089. The reversal of 33321012013 is 31021012333.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33321012013 - 2¹⁷ = 33320880941 is a prime.

It is a super-2 number, since 2×33321012013² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33321012713) 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 3 ways as a sum of consecutive naturals, for example, 161752383 + ... + 161752588.

It is an arithmetic number, because the mean of its divisors is an integer number (8411129272).

Almost surely, 2^33321012013 is an apocalyptic number.

It is an amenable number.

33321012013 is a deficient number, since it is larger than the sum of its proper divisors (323505075).

33321012013 is a wasteful number, since it uses less digits than its factorization.

33321012013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323505074.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 33321012013 its reverse (31021012333), we get a palindrome (64342024346).

The spelling of 33321012013 in words is "thirty-three billion, three hundred twenty-one million, twelve thousand, thirteen".