43144332234313 has 4 divisors (see below), whose sum is σ = 43958376238788. Its totient is φ = 42330288229840.

The previous prime is 43144332234287. The next prime is 43144332234317. The reversal of 43144332234313 is 31343223344134.

43144332234313 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 32053114433209 + 11091217801104 = 5661547^2 + 3330348^2 .

It is a cyclic number.

It is not a de Polignac number, because 43144332234313 - 2²⁹ = 43143795363401 is a prime.

It is a super-2 number, since 2×43144332234313² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43144332234317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407022002158 + ... + 407022002263.

It is an arithmetic number, because the mean of its divisors is an integer number (10989594059697).

Almost surely, 2^{43144332234313} is an apocalyptic number.

It is an amenable number.

43144332234313 is a deficient number, since it is larger than the sum of its proper divisors (814044004475).

43144332234313 is an equidigital number, since it uses as much as digits as its factorization.

43144332234313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814044004474.

The product of its digits is 746496, while the sum is 40.

Adding to 43144332234313 its reverse (31343223344134), we get a palindrome (74487555578447).

The spelling of 43144332234313 in words is "forty-three trillion, one hundred forty-four billion, three hundred thirty-two million, two hundred thirty-four thousand, three hundred thirteen".