11431343 has 16 divisors (see below), whose sum is σ = 14714880. Its totient is φ = 8618400.

The previous prime is 11431297. The next prime is 11431349. The reversal of 11431343 is 34313411.

It is not a de Polignac number, because 11431343 - 2⁶ = 11431279 is a prime.

It is a Duffinian number.

It is a congruent number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8 + ... + 4781.

It is an arithmetic number, because the mean of its divisors is an integer number (919680).

Almost surely, 2^11431343 is an apocalyptic number.

11431343 is a deficient number, since it is larger than the sum of its proper divisors (3283537).

11431343 is a wasteful number, since it uses less digits than its factorization.

11431343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4838.

The product of its digits is 432, while the sum is 20.

The square root of 11431343 is about 3381.0269150067. The cubic root of 11431343 is about 225.2677832296.

Adding to 11431343 its reverse (34313411), we get a palindrome (45744754).

The spelling of 11431343 in words is "eleven million, four hundred thirty-one thousand, three hundred forty-three".