3123320112013 has 4 divisors (see below), whose sum is σ = 3132756124768. Its totient is φ = 3113884099260.

The previous prime is 3123320111909. The next prime is 3123320112019. The reversal of 3123320112013 is 3102110233213.

3123320112013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3123320112013 - 2¹³ = 3123320103821 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 (3123320112019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4718005881 + ... + 4718006542.

It is an arithmetic number, because the mean of its divisors is an integer number (783189031192).

Almost surely, 2^{3123320112013} is an apocalyptic number.

It is an amenable number.

3123320112013 is a deficient number, since it is larger than the sum of its proper divisors (9436012755).

3123320112013 is an equidigital number, since it uses as much as digits as its factorization.

3123320112013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9436012754.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 3123320112013 its reverse (3102110233213), we get a palindrome (6225430345226).

The spelling of 3123320112013 in words is "three trillion, one hundred twenty-three billion, three hundred twenty million, one hundred twelve thousand, thirteen".