13130021304 has 48 divisors (see below), whose sum is σ = 35609530320. Its totient is φ = 4370636160.

The previous prime is 13130021291. The next prime is 13130021309. The reversal of 13130021304 is 40312003131.

13130021304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13130021309) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 73077 + ... + 177764.

It is an arithmetic number, because the mean of its divisors is an integer number (741865215).

Almost surely, 2^13130021304 is an apocalyptic number.

It is an amenable number.

13130021304 is an abundant number, since it is smaller than the sum of its proper divisors (22479509016).

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

13130021304 is a wasteful number, since it uses less digits than its factorization.

13130021304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251580 (or 251573 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13130021304 its reverse (40312003131), we get a palindrome (53442024435).

The spelling of 13130021304 in words is "thirteen billion, one hundred thirty million, twenty-one thousand, three hundred four".