4143231217 has 4 divisors (see below), whose sum is σ = 4143568756. Its totient is φ = 4142893680.

The previous prime is 4143231193. The next prime is 4143231221. The reversal of 4143231217 is 7121323414.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7121323414 = 2 ⋅3560661707.

It can be written as a sum of positive squares in 2 ways, for example, as 1647629281 + 2495601936 = 40591^2 + 49956^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4143231217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4143231317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149634 + ... + 175147.

It is an arithmetic number, because the mean of its divisors is an integer number (1035892189).

Almost surely, 2^4143231217 is an apocalyptic number.

It is an amenable number.

4143231217 is a deficient number, since it is larger than the sum of its proper divisors (337539).

4143231217 is a wasteful number, since it uses less digits than its factorization.

4143231217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337538.

The product of its digits is 4032, while the sum is 28.

The square root of 4143231217 is about 64367.9362493470. The cubic root of 4143231217 is about 1606.1264100440.

The spelling of 4143231217 in words is "four billion, one hundred forty-three million, two hundred thirty-one thousand, two hundred seventeen".