2005103443271 has 8 divisors (see below), whose sum is σ = 2143313119584. Its totient is φ = 1871146372480.

The previous prime is 2005103443243. The next prime is 2005103443289. The reversal of 2005103443271 is 1723443015002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2005103443271 - 2⁶ = 2005103443207 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 (2005103443571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1063150406 + ... + 1063152291.

It is an arithmetic number, because the mean of its divisors is an integer number (267914139948).

Almost surely, 2^{2005103443271} is an apocalyptic number.

2005103443271 is a deficient number, since it is larger than the sum of its proper divisors (138209676313).

2005103443271 is a wasteful number, since it uses less digits than its factorization.

2005103443271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126302761.

The product of its (nonzero) digits is 20160, while the sum is 32.

Adding to 2005103443271 its reverse (1723443015002), we get a palindrome (3728546458273).

The spelling of 2005103443271 in words is "two trillion, five billion, one hundred three million, four hundred forty-three thousand, two hundred seventy-one".