13103222321 has 16 divisors (see below), whose sum is σ = 15553056768. Its totient is φ = 10802322000.

The previous prime is 13103222309. The next prime is 13103222347. The reversal of 13103222321 is 12322230131.

It is a de Polignac number, because none of the positive numbers 2^k-13103222321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13103222293 and 13103222302.

It is not an unprimeable number, because it can be changed into a prime (13103222351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149855 + ... + 220596.

It is an arithmetic number, because the mean of its divisors is an integer number (972066048).

Almost surely, 2^13103222321 is an apocalyptic number.

It is an amenable number.

13103222321 is a deficient number, since it is larger than the sum of its proper divisors (2449834447).

13103222321 is a wasteful number, since it uses less digits than its factorization.

13103222321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370652.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13103222321 its reverse (12322230131), we get a palindrome (25425452452).

The spelling of 13103222321 in words is "thirteen billion, one hundred three million, two hundred twenty-two thousand, three hundred twenty-one".