13301311232021 has 4 divisors (see below), whose sum is σ = 13301338597452. Its totient is φ = 13301283866592.

The previous prime is 13301311232003. The next prime is 13301311232039. The reversal of 13301311232021 is 12023211310331.

13301311232021 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.

It is an interprime number because it is at equal distance from previous prime (13301311232003) and next prime (13301311232039).

It can be written as a sum of positive squares in 2 ways, for example, as 1373785591396 + 11927525640625 = 1172086^2 + 3453625^2 .

It is a cyclic number.

It is not a de Polignac number, because 13301311232021 - 2²⁶ = 13301244123157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13301311232051) 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, 12940190 + ... + 13930223.

It is an arithmetic number, because the mean of its divisors is an integer number (3325334649363).

Almost surely, 2^{13301311232021} is an apocalyptic number.

It is an amenable number.

13301311232021 is a deficient number, since it is larger than the sum of its proper divisors (27365431).

13301311232021 is an equidigital number, since it uses as much as digits as its factorization.

13301311232021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27365430.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 13301311232021 its reverse (12023211310331), we get a palindrome (25324522542352).

The spelling of 13301311232021 in words is "thirteen trillion, three hundred one billion, three hundred eleven million, two hundred thirty-two thousand, twenty-one".