13535232213 has 4 divisors (see below), whose sum is σ = 18046976288. Its totient is φ = 9023488140.

The previous prime is 13535232203. The next prime is 13535232247. The reversal of 13535232213 is 31223253531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31223253531 = 3 ⋅10407751177.

It is not a de Polignac number, because 13535232213 - 2¹⁴ = 13535215829 is a prime.

It is a super-2 number, since 2×13535232213² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13535232203) 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, 2255872033 + ... + 2255872038.

It is an arithmetic number, because the mean of its divisors is an integer number (4511744072).

Almost surely, 2^13535232213 is an apocalyptic number.

It is an amenable number.

13535232213 is a deficient number, since it is larger than the sum of its proper divisors (4511744075).

13535232213 is an equidigital number, since it uses as much as digits as its factorization.

13535232213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4511744074.

The product of its digits is 16200, while the sum is 30.

Adding to 13535232213 its reverse (31223253531), we get a palindrome (44758485744).

The spelling of 13535232213 in words is "thirteen billion, five hundred thirty-five million, two hundred thirty-two thousand, two hundred thirteen".