33120333013 has 4 divisors (see below), whose sum is σ = 33210579520. Its totient is φ = 33030086508.

The previous prime is 33120333007. The next prime is 33120333023. The reversal of 33120333013 is 31033302133.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31033302133 = 1307 ⋅23743919.

It is a cyclic number.

It is not a de Polignac number, because 33120333013 - 2⁵ = 33120332981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33120333023) 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, 45122703 + ... + 45123436.

It is an arithmetic number, because the mean of its divisors is an integer number (8302644880).

Almost surely, 2^33120333013 is an apocalyptic number.

It is an amenable number.

33120333013 is a deficient number, since it is larger than the sum of its proper divisors (90246507).

33120333013 is an equidigital number, since it uses as much as digits as its factorization.

33120333013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90246506.

The product of its (nonzero) digits is 1458, while the sum is 22.

Adding to 33120333013 its reverse (31033302133), we get a palindrome (64153635146).

The spelling of 33120333013 in words is "thirty-three billion, one hundred twenty million, three hundred thirty-three thousand, thirteen".