4431313 has 12 divisors (see below), whose sum is σ = 4815760. Its totient is φ = 4065336.

The previous prime is 4431311. The next prime is 4431367. The reversal of 4431313 is 3131344.

It is not a de Polignac number, because 4431313 - 2¹ = 4431311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4431311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66106 + ... + 66172.

Almost surely, 2^4431313 is an apocalyptic number.

It is an amenable number.

4431313 is a deficient number, since it is larger than the sum of its proper divisors (384447).

4431313 is an equidigital number, since it uses as much as digits as its factorization.

4431313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 145 counting only the distinct ones).

The product of its digits is 432, while the sum is 19.

The square root of 4431313 is about 2105.0684074395. The cubic root of 4431313 is about 164.2520539194.

Adding to 4431313 its reverse (3131344), we get a palindrome (7562657).

The spelling of 4431313 in words is "four million, four hundred thirty-one thousand, three hundred thirteen".