13313221322309 has 4 divisors (see below), whose sum is σ = 13772297919660. Its totient is φ = 12854144724960.

The previous prime is 13313221322279. The next prime is 13313221322327. The reversal of 13313221322309 is 90322312231331.

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 5021251864225 + 8291969458084 = 2240815^2 + 2879578^2 .

It is a cyclic number.

It is not a de Polignac number, because 13313221322309 - 2⁸ = 13313221322053 is a prime.

It is a super-2 number, since 2×13313221322309² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13313221322209) 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, 229538298632 + ... + 229538298689.

It is an arithmetic number, because the mean of its divisors is an integer number (3443074479915).

Almost surely, 2^{13313221322309} is an apocalyptic number.

It is an amenable number.

13313221322309 is a deficient number, since it is larger than the sum of its proper divisors (459076597351).

13313221322309 is an equidigital number, since it uses as much as digits as its factorization.

13313221322309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459076597350.

The product of its (nonzero) digits is 34992, while the sum is 35.

The spelling of 13313221322309 in words is "thirteen trillion, three hundred thirteen billion, two hundred twenty-one million, three hundred twenty-two thousand, three hundred nine".