13240430213 has 16 divisors (see below), whose sum is σ = 13528567152. Its totient is φ = 12954816000.

The previous prime is 13240430201. The next prime is 13240430219. The reversal of 13240430213 is 31203404231.

It can be written as a sum of positive squares in 8 ways, for example, as 6204240289 + 7036189924 = 78767^2 + 83882^2 .

It is a cyclic number.

It is not a de Polignac number, because 13240430213 - 2⁶ = 13240430149 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 (13240430219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13892945 + ... + 13893897.

It is an arithmetic number, because the mean of its divisors is an integer number (845535447).

Almost surely, 2^13240430213 is an apocalyptic number.

It is an amenable number.

13240430213 is a deficient number, since it is larger than the sum of its proper divisors (288136939).

13240430213 is an equidigital number, since it uses as much as digits as its factorization.

13240430213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 13240430213 its reverse (31203404231), we get a palindrome (44443834444).

The spelling of 13240430213 in words is "thirteen billion, two hundred forty million, four hundred thirty thousand, two hundred thirteen".