4131444321 has 24 divisors (see below), whose sum is σ = 5993822016. Its totient is φ = 2742245280.

The previous prime is 4131444311. The next prime is 4131444323. The reversal of 4131444321 is 1234441314.

It is not a de Polignac number, because 4131444321 - 2¹⁰ = 4131443297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4131444323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2547891 + ... + 2549511.

It is an arithmetic number, because the mean of its divisors is an integer number (249742584).

Almost surely, 2^4131444321 is an apocalyptic number.

It is an amenable number.

4131444321 is a deficient number, since it is larger than the sum of its proper divisors (1862377695).

4131444321 is a wasteful number, since it uses less digits than its factorization.

4131444321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2693 (or 2690 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 4131444321 is about 64276.3122853202. The cubic root of 4131444321 is about 1604.6018973618.

Adding to 4131444321 its reverse (1234441314), we get a palindrome (5365885635).

The spelling of 4131444321 in words is "four billion, one hundred thirty-one million, four hundred forty-four thousand, three hundred twenty-one".