4340031220331 has 4 divisors (see below), whose sum is σ = 4342731925872. Its totient is φ = 4337330514792.

The previous prime is 4340031220321. The next prime is 4340031220403. The reversal of 4340031220331 is 1330221300434.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4340031220331 is a prime.

It is a super-2 number, since 2×4340031220331² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4340031220331.

It is not an unprimeable number, because it can be changed into a prime (4340031220321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1350350360 + ... + 1350353573.

It is an arithmetic number, because the mean of its divisors is an integer number (1085682981468).

Almost surely, 2^{4340031220331} is an apocalyptic number.

4340031220331 is a deficient number, since it is larger than the sum of its proper divisors (2700705541).

4340031220331 is a wasteful number, since it uses less digits than its factorization.

4340031220331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2700705540.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 4340031220331 its reverse (1330221300434), we get a palindrome (5670252520765).

The spelling of 4340031220331 in words is "four trillion, three hundred forty billion, thirty-one million, two hundred twenty thousand, three hundred thirty-one".