13321120313 has 4 divisors (see below), whose sum is σ = 13336628880. Its totient is φ = 13305611748.

The previous prime is 13321120303. The next prime is 13321120367. The reversal of 13321120313 is 31302112331.

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 13321120313 - 2¹² = 13321116217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13321120303) 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, 7752995 + ... + 7754712.

It is an arithmetic number, because the mean of its divisors is an integer number (3334157220).

Almost surely, 2^13321120313 is an apocalyptic number.

It is an amenable number.

13321120313 is a deficient number, since it is larger than the sum of its proper divisors (15508567).

13321120313 is an equidigital number, since it uses as much as digits as its factorization.

13321120313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15508566.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13321120313 its reverse (31302112331), we get a palindrome (44623232644).

The spelling of 13321120313 in words is "thirteen billion, three hundred twenty-one million, one hundred twenty thousand, three hundred thirteen".