4442431311 has 10 divisors (see below), whose sum is σ = 6636224672. Its totient is φ = 2961620820.

The previous prime is 4442431309. The next prime is 4442431319. The reversal of 4442431311 is 1131342444.

It is not a de Polignac number, because 4442431311 - 2¹ = 4442431309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4442431319) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 27422335 + ... + 27422496.

Almost surely, 2^4442431311 is an apocalyptic number.

4442431311 is a deficient number, since it is larger than the sum of its proper divisors (2193793361).

4442431311 is an equidigital number, since it uses as much as digits as its factorization.

4442431311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54844843 (or 54844834 counting only the distinct ones).

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

The square root of 4442431311 is about 66651.5664557106. The cubic root of 4442431311 is about 1643.8931046965.

Adding to 4442431311 its reverse (1131342444), we get a palindrome (5573773755).

The spelling of 4442431311 in words is "four billion, four hundred forty-two million, four hundred thirty-one thousand, three hundred eleven".