13320312313313 has 4 divisors (see below), whose sum is σ = 13571638960788. Its totient is φ = 13068985665840.

The previous prime is 13320312313309. The next prime is 13320312313327. The reversal of 13320312313313 is 31331321302331.

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 5014428661264 + 8305883652049 = 2239292^2 + 2881993^2 .

It is a cyclic number.

It is not a de Polignac number, because 13320312313313 - 2² = 13320312313309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13320312313813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125663323658 + ... + 125663323763.

It is an arithmetic number, because the mean of its divisors is an integer number (3392909740197).

Almost surely, 2^{13320312313313} is an apocalyptic number.

It is an amenable number.

13320312313313 is a deficient number, since it is larger than the sum of its proper divisors (251326647475).

13320312313313 is an equidigital number, since it uses as much as digits as its factorization.

13320312313313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251326647474.

The product of its (nonzero) digits is 8748, while the sum is 29.

Adding to 13320312313313 its reverse (31331321302331), we get a palindrome (44651633615644).

The spelling of 13320312313313 in words is "thirteen trillion, three hundred twenty billion, three hundred twelve million, three hundred thirteen thousand, three hundred thirteen".