13321337218 has 16 divisors (see below), whose sum is σ = 22843638144. Its totient is φ = 5707379520.

The previous prime is 13321337201. The next prime is 13321337221. The reversal of 13321337218 is 81273312331.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99655 + ... + 191242.

It is an arithmetic number, because the mean of its divisors is an integer number (1427727384).

Almost surely, 2^13321337218 is an apocalyptic number.

13321337218 is a deficient number, since it is larger than the sum of its proper divisors (9522300926).

13321337218 is a wasteful number, since it uses less digits than its factorization.

13321337218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294177.

The product of its digits is 18144, while the sum is 34.

Adding to 13321337218 its reverse (81273312331), we get a palindrome (94594649549).

The spelling of 13321337218 in words is "thirteen billion, three hundred twenty-one million, three hundred thirty-seven thousand, two hundred eighteen".