33120023313 has 16 divisors (see below), whose sum is σ = 47560666496. Its totient is φ = 20379962880.

The previous prime is 33120023297. The next prime is 33120023317. The reversal of 33120023313 is 31332002133.

It is not a de Polignac number, because 33120023313 - 2⁴ = 33120023297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33120023313.

It is not an unprimeable number, because it can be changed into a prime (33120023317) 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, 653268 + ... + 702138.

It is an arithmetic number, because the mean of its divisors is an integer number (2972541656).

Almost surely, 2^33120023313 is an apocalyptic number.

It is an amenable number.

33120023313 is a deficient number, since it is larger than the sum of its proper divisors (14440643183).

33120023313 is a wasteful number, since it uses less digits than its factorization.

33120023313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66264.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 33120023313 its reverse (31332002133), we get a palindrome (64452025446).

The spelling of 33120023313 in words is "thirty-three billion, one hundred twenty million, twenty-three thousand, three hundred thirteen".