13241342021 has 4 divisors (see below), whose sum is σ = 13252442412. Its totient is φ = 13230241632.

The previous prime is 13241342011. The next prime is 13241342039. The reversal of 13241342021 is 12024314231.

13241342021 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 can be written as a sum of positive squares in 2 ways, for example, as 9606940225 + 3634401796 = 98015^2 + 60286^2 .

It is a cyclic number.

It is not a de Polignac number, because 13241342021 - 2⁶ = 13241341957 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 (13241342011) 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, 5548406 + ... + 5550791.

It is an arithmetic number, because the mean of its divisors is an integer number (3313110603).

Almost surely, 2^13241342021 is an apocalyptic number.

It is an amenable number.

13241342021 is a deficient number, since it is larger than the sum of its proper divisors (11100391).

13241342021 is a wasteful number, since it uses less digits than its factorization.

13241342021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11100390.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 13241342021 its reverse (12024314231), we get a palindrome (25265656252).

The spelling of 13241342021 in words is "thirteen billion, two hundred forty-one million, three hundred forty-two thousand, twenty-one".