4311442231 has 4 divisors (see below), whose sum is σ = 4312354464. Its totient is φ = 4310530000.

The previous prime is 4311442193. The next prime is 4311442237. The reversal of 4311442231 is 1322441134.

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

It is a cyclic number.

It is not a de Polignac number, because 4311442231 - 2¹⁵ = 4311409463 is a prime.

It is a super-2 number, since 2×4311442231² = 37177068222500514722, 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 = 4311442196 and 4311442205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4311442237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448990 + ... + 458491.

It is an arithmetic number, because the mean of its divisors is an integer number (1078088616).

Almost surely, 2^4311442231 is an apocalyptic number.

4311442231 is a deficient number, since it is larger than the sum of its proper divisors (912233).

4311442231 is an equidigital number, since it uses as much as digits as its factorization.

4311442231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912232.

The product of its digits is 2304, while the sum is 25.

The square root of 4311442231 is about 65661.5734733794. The cubic root of 4311442231 is about 1627.5744257586.

Adding to 4311442231 its reverse (1322441134), we get a palindrome (5633883365).

The spelling of 4311442231 in words is "four billion, three hundred eleven million, four hundred forty-two thousand, two hundred thirty-one".