11431344 has 40 divisors (see below), whose sum is σ = 31270320. Its totient is φ = 3586048.

The previous prime is 11431297. The next prime is 11431349. The reversal of 11431344 is 44313411.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 11431344.

It is not an unprimeable number, because it can be changed into a prime (11431349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6189 + ... + 7820.

It is an arithmetic number, because the mean of its divisors is an integer number (781758).

Almost surely, 2^11431344 is an apocalyptic number.

It is an amenable number.

11431344 is an abundant number, since it is smaller than the sum of its proper divisors (19838976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11431344 is a wasteful number, since it uses less digits than its factorization.

11431344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14037 (or 14031 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 11431344 is about 3381.0270628908. The cubic root of 11431344 is about 225.2677897983.

Adding to 11431344 its reverse (44313411), we get a palindrome (55744755).

The spelling of 11431344 in words is "eleven million, four hundred thirty-one thousand, three hundred forty-four".