13020310221 has 8 divisors (see below), whose sum is σ = 17604926784. Its totient is φ = 8557950240.

The previous prime is 13020310213. The next prime is 13020310231. The reversal of 13020310221 is 12201302031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13020310221 - 2³ = 13020310213 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13020310221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13020310231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30563896 + ... + 30564321.

It is an arithmetic number, because the mean of its divisors is an integer number (2200615848).

Almost surely, 2^13020310221 is an apocalyptic number.

It is an amenable number.

13020310221 is a deficient number, since it is larger than the sum of its proper divisors (4584616563).

13020310221 is an equidigital number, since it uses as much as digits as its factorization.

13020310221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61128291.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 13020310221 its reverse (12201302031), we get a palindrome (25221612252).

The spelling of 13020310221 in words is "thirteen billion, twenty million, three hundred ten thousand, two hundred twenty-one".