43224132313 has 4 divisors (see below), whose sum is σ = 43932724708. Its totient is φ = 42515539920.

The previous prime is 43224132311. The next prime is 43224132317. The reversal of 43224132313 is 31323142234.

It is a happy number.

43224132313 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 3261323664 + 39962808649 = 57108^2 + 199907^2 .

It is a cyclic number.

It is not a de Polignac number, because 43224132313 - 2¹ = 43224132311 is a prime.

It is a super-2 number, since 2×43224132313² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43224132311) 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, 354296106 + ... + 354296227.

It is an arithmetic number, because the mean of its divisors is an integer number (10983181177).

Almost surely, 2^43224132313 is an apocalyptic number.

It is an amenable number.

43224132313 is a deficient number, since it is larger than the sum of its proper divisors (708592395).

43224132313 is an equidigital number, since it uses as much as digits as its factorization.

43224132313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708592394.

The product of its digits is 10368, while the sum is 28.

Adding to 43224132313 its reverse (31323142234), we get a palindrome (74547274547).

The spelling of 43224132313 in words is "forty-three billion, two hundred twenty-four million, one hundred thirty-two thousand, three hundred thirteen".