14013020321 has 16 divisors (see below), whose sum is σ = 15107212800. Its totient is φ = 12949363968.

The previous prime is 14013020311. The next prime is 14013020341. The reversal of 14013020321 is 12302031041.

14013020321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 14013020321 - 2⁶ = 14013020257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14013020321.

It is not an unprimeable number, because it can be changed into a prime (14013020311) 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 15 ways as a sum of consecutive naturals, for example, 857495 + ... + 873683.

It is an arithmetic number, because the mean of its divisors is an integer number (944200800).

Almost surely, 2^14013020321 is an apocalyptic number.

It is an amenable number.

14013020321 is a deficient number, since it is larger than the sum of its proper divisors (1094192479).

14013020321 is a wasteful number, since it uses less digits than its factorization.

14013020321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17128.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 14013020321 its reverse (12302031041), we get a palindrome (26315051362).

The spelling of 14013020321 in words is "fourteen billion, thirteen million, twenty thousand, three hundred twenty-one".