13313211303313 has 4 divisors (see below), whose sum is σ = 13361273438260. Its totient is φ = 13265149168368.

The previous prime is 13313211303281. The next prime is 13313211303317. The reversal of 13313211303313 is 31330311231331.

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 1425141726849 + 11888069576464 = 1193793^2 + 3447908^2 .

It is a cyclic number.

It is not a de Polignac number, because 13313211303313 - 2⁵ = 13313211303281 is a prime.

It is a super-2 number, since 2×13313211303313² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13313211303317) 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, 24031067058 + ... + 24031067611.

It is an arithmetic number, because the mean of its divisors is an integer number (3340318359565).

Almost surely, 2^{13313211303313} is an apocalyptic number.

It is an amenable number.

13313211303313 is a deficient number, since it is larger than the sum of its proper divisors (48062134947).

13313211303313 is an equidigital number, since it uses as much as digits as its factorization.

13313211303313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48062134946.

The product of its (nonzero) digits is 4374, while the sum is 28.

Adding to 13313211303313 its reverse (31330311231331), we get a palindrome (44643522534644).

The spelling of 13313211303313 in words is "thirteen trillion, three hundred thirteen billion, two hundred eleven million, three hundred three thousand, three hundred thirteen".