4311440321 has 16 divisors (see below), whose sum is σ = 4619704320. Its totient is φ = 4013729280.

The previous prime is 4311440311. The next prime is 4311440389. The reversal of 4311440321 is 1230441134.

4311440321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4311440321 - 2⁶ = 4311440257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4311440311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403040 + ... + 413598.

It is an arithmetic number, because the mean of its divisors is an integer number (288731520).

Almost surely, 2^4311440321 is an apocalyptic number.

4311440321 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4311440321 is a deficient number, since it is larger than the sum of its proper divisors (308263999).

4311440321 is a wasteful number, since it uses less digits than its factorization.

4311440321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11056.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 4311440321 is about 65661.5589291025. The cubic root of 4311440321 is about 1627.5741854161.

Adding to 4311440321 its reverse (1230441134), we get a palindrome (5541881455).

The spelling of 4311440321 in words is "four billion, three hundred eleven million, four hundred forty thousand, three hundred twenty-one".