13331121208 has 32 divisors (see below), whose sum is σ = 25810882560. Its totient is φ = 6448364640.

The previous prime is 13331121163. The next prime is 13331121247. The reversal of 13331121208 is 80212113331.

It is a happy number.

It is a congruent number.

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, 917085 + ... + 931507.

It is an arithmetic number, because the mean of its divisors is an integer number (806590080).

Almost surely, 2^13331121208 is an apocalyptic number.

It is an amenable number.

13331121208 is a deficient number, since it is larger than the sum of its proper divisors (12479761352).

13331121208 is a wasteful number, since it uses less digits than its factorization.

13331121208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18187 (or 18183 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 13331121208 its reverse (80212113331), we get a palindrome (93543234539).

The spelling of 13331121208 in words is "thirteen billion, three hundred thirty-one million, one hundred twenty-one thousand, two hundred eight".