13122003313 has 4 divisors (see below), whose sum is σ = 13124915428. Its totient is φ = 13119091200.

The previous prime is 13122003311. The next prime is 13122003319. The reversal of 13122003313 is 31330022131.

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 6514426944 + 6607576369 = 80712^2 + 81287^2 .

It is a cyclic number.

It is not a de Polignac number, because 13122003313 - 2¹ = 13122003311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13122003311) 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, 1449288 + ... + 1458313.

It is an arithmetic number, because the mean of its divisors is an integer number (3281228857).

Almost surely, 2^13122003313 is an apocalyptic number.

It is an amenable number.

13122003313 is a deficient number, since it is larger than the sum of its proper divisors (2912115).

13122003313 is an equidigital number, since it uses as much as digits as its factorization.

13122003313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2912114.

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

Adding to 13122003313 its reverse (31330022131), we get a palindrome (44452025444).

The spelling of 13122003313 in words is "thirteen billion, one hundred twenty-two million, three thousand, three hundred thirteen".