13302030221 has 4 divisors (see below), whose sum is σ = 13325408700. Its totient is φ = 13278651744.

The previous prime is 13302030211. The next prime is 13302030241. The reversal of 13302030221 is 12203020331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12203020331 = 449 ⋅27178219.

It can be written as a sum of positive squares in 2 ways, for example, as 6932394121 + 6369636100 = 83261^2 + 79810^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13302030221 is a prime.

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 13302030221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13302030211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11688386 + ... + 11689523.

It is an arithmetic number, because the mean of its divisors is an integer number (3331352175).

Almost surely, 2^13302030221 is an apocalyptic number.

It is an amenable number.

13302030221 is a deficient number, since it is larger than the sum of its proper divisors (23378479).

13302030221 is an equidigital number, since it uses as much as digits as its factorization.

13302030221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23378478.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 13302030221 its reverse (12203020331), we get a palindrome (25505050552).

The spelling of 13302030221 in words is "thirteen billion, three hundred two million, thirty thousand, two hundred twenty-one".