13030321806 has 48 divisors (see below), whose sum is σ = 30111385824. Its totient is φ = 4058092032.

The previous prime is 13030321781. The next prime is 13030321819. The reversal of 13030321806 is 60812303031.

It is a happy number.

13030321806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13030321806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113490 + ... + 197333.

It is an arithmetic number, because the mean of its divisors is an integer number (627320538).

Almost surely, 2^13030321806 is an apocalyptic number.

13030321806 is an abundant number, since it is smaller than the sum of its proper divisors (17081064018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13030321806 is a wasteful number, since it uses less digits than its factorization.

13030321806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310985 (or 310982 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 13030321806 its reverse (60812303031), we get a palindrome (73842624837).

The spelling of 13030321806 in words is "thirteen billion, thirty million, three hundred twenty-one thousand, eight hundred six".