13316423321 has 16 divisors (see below), whose sum is σ = 14338777728. Its totient is φ = 12334291200.

The previous prime is 13316423303. The next prime is 13316423327. The reversal of 13316423321 is 12332461331.

It is a cyclic number.

It is not a de Polignac number, because 13316423321 - 2³⁰ = 12242681497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13316423327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142481 + ... + 216641.

It is an arithmetic number, because the mean of its divisors is an integer number (896173608).

Almost surely, 2^13316423321 is an apocalyptic number.

It is an amenable number.

13316423321 is a deficient number, since it is larger than the sum of its proper divisors (1022354407).

13316423321 is a wasteful number, since it uses less digits than its factorization.

13316423321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74432.

The product of its digits is 7776, while the sum is 29.

Adding to 13316423321 its reverse (12332461331), we get a palindrome (25648884652).

The spelling of 13316423321 in words is "thirteen billion, three hundred sixteen million, four hundred twenty-three thousand, three hundred twenty-one".