13201147321 has 4 divisors (see below), whose sum is σ = 13775110272. Its totient is φ = 12627184372.

The previous prime is 13201147279. The next prime is 13201147373. The reversal of 13201147321 is 12374110231.

13201147321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13201147321 - 2¹⁷ = 13201016249 is a prime.

It is a super-3 number, since 3×13201147321³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13201147021) 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 3 ways as a sum of consecutive naturals, for example, 286981441 + ... + 286981486.

It is an arithmetic number, because the mean of its divisors is an integer number (3443777568).

Almost surely, 2^13201147321 is an apocalyptic number.

It is an amenable number.

13201147321 is a deficient number, since it is larger than the sum of its proper divisors (573962951).

13201147321 is an equidigital number, since it uses as much as digits as its factorization.

13201147321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573962950.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 13201147321 its reverse (12374110231), we get a palindrome (25575257552).

The spelling of 13201147321 in words is "thirteen billion, two hundred one million, one hundred forty-seven thousand, three hundred twenty-one".