4311009 has 8 divisors (see below), whose sum is σ = 6386720. Its totient is φ = 2873988.

The previous prime is 4311007. The next prime is 4311011. The reversal of 4311009 is 9001134.

It is an interprime number because it is at equal distance from previous prime (4311007) and next prime (4311011).

It is not a de Polignac number, because 4311009 - 2¹ = 4311007 is a prime.

It is an Ulam number.

It is a Duffinian number.

4311009 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4310982 and 4311000.

It is not an unprimeable number, because it can be changed into a prime (4311001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79807 + ... + 79860.

It is an arithmetic number, because the mean of its divisors is an integer number (798340).

Almost surely, 2^4311009 is an apocalyptic number.

It is an amenable number.

4311009 is a deficient number, since it is larger than the sum of its proper divisors (2075711).

4311009 is a wasteful number, since it uses less digits than its factorization.

4311009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159676 (or 159670 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 4311009 is about 2076.2969440810. The cubic root of 4311009 is about 162.7519908865.

The spelling of 4311009 in words is "four million, three hundred eleven thousand, nine".