4321440331 has 8 divisors (see below), whose sum is σ = 4803983744. Its totient is φ = 3860343360.

The previous prime is 4321440323. The next prime is 4321440337. The reversal of 4321440331 is 1330441234.

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 4321440331 - 2³ = 4321440323 is a prime.

It is a super-2 number, since 2×4321440331² = 37349693068786779122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4321440296 and 4321440305.

It is not an unprimeable number, because it can be changed into a prime (4321440337) 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, 5361186 + ... + 5361991.

It is an arithmetic number, because the mean of its divisors is an integer number (600497968).

Almost surely, 2^4321440331 is an apocalyptic number.

4321440331 is a deficient number, since it is larger than the sum of its proper divisors (482543413).

4321440331 is a wasteful number, since it uses less digits than its factorization.

4321440331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10723221.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 4321440331 is about 65737.6629566339. The cubic root of 4321440331 is about 1628.8315526150.

Adding to 4321440331 its reverse (1330441234), we get a palindrome (5651881565).

The spelling of 4321440331 in words is "four billion, three hundred twenty-one million, four hundred forty thousand, three hundred thirty-one".