1013320320013 has 4 divisors (see below), whose sum is σ = 1032439571388. Its totient is φ = 994201068640.

The previous prime is 1013320319983. The next prime is 1013320320059. The reversal of 1013320320013 is 3100230233101.

1013320320013 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.

It can be written as a sum of positive squares in 2 ways, for example, as 410743837449 + 602576482564 = 640893^2 + 776258^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013320320013 - 2⁵ = 1013320319981 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 (1013320320073) 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, 9559625608 + ... + 9559625713.

It is an arithmetic number, because the mean of its divisors is an integer number (258109892847).

Almost surely, 2^{1013320320013} is an apocalyptic number.

It is an amenable number.

1013320320013 is a deficient number, since it is larger than the sum of its proper divisors (19119251375).

1013320320013 is an equidigital number, since it uses as much as digits as its factorization.

1013320320013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19119251374.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1013320320013 its reverse (3100230233101), we get a palindrome (4113550553114).

The spelling of 1013320320013 in words is "one trillion, thirteen billion, three hundred twenty million, three hundred twenty thousand, thirteen".