13120313233 has 4 divisors (see below), whose sum is σ = 13124996848. Its totient is φ = 13115629620.

The previous prime is 13120313147. The next prime is 13120313263. The reversal of 13120313233 is 33231302131.

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 a de Polignac number, because none of the positive numbers 2^k-13120313233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13120313263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2337603 + ... + 2343208.

It is an arithmetic number, because the mean of its divisors is an integer number (3281249212).

Almost surely, 2^13120313233 is an apocalyptic number.

It is an amenable number.

13120313233 is a deficient number, since it is larger than the sum of its proper divisors (4683615).

13120313233 is an equidigital number, since it uses as much as digits as its factorization.

13120313233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4683614.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 13120313233 its reverse (33231302131), we get a palindrome (46351615364).

The spelling of 13120313233 in words is "thirteen billion, one hundred twenty million, three hundred thirteen thousand, two hundred thirty-three".