33120031013 has 8 divisors (see below), whose sum is σ = 35071955520. Its totient is φ = 31188983040.

The previous prime is 33120030949. The next prime is 33120031019. The reversal of 33120031013 is 31013002133.

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 33120031013 - 2⁶ = 33120030949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33120030982 and 33120031000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33120031019) 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, 5215868 + ... + 5222213.

It is an arithmetic number, because the mean of its divisors is an integer number (4383994440).

Almost surely, 2^33120031013 is an apocalyptic number.

It is an amenable number.

33120031013 is a deficient number, since it is larger than the sum of its proper divisors (1951924507).

33120031013 is a wasteful number, since it uses less digits than its factorization.

33120031013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10438267.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 33120031013 its reverse (31013002133), we get a palindrome (64133033146).

The spelling of 33120031013 in words is "thirty-three billion, one hundred twenty million, thirty-one thousand, thirteen".