11431433 has 4 divisors (see below), whose sum is σ = 12310788. Its totient is φ = 10552080.

The previous prime is 11431403. The next prime is 11431447. The reversal of 11431433 is 33413411.

11431433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6086089 + 5345344 = 2467^2 + 2312^2 .

It is a cyclic number.

It is not a de Polignac number, because 11431433 - 2⁸ = 11431177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11431403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439658 + ... + 439683.

It is an arithmetic number, because the mean of its divisors is an integer number (3077697).

Almost surely, 2^11431433 is an apocalyptic number.

11431433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11431433 is a deficient number, since it is larger than the sum of its proper divisors (879355).

11431433 is an equidigital number, since it uses as much as digits as its factorization.

11431433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879354.

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

The square root of 11431433 is about 3381.0402245463. The cubic root of 11431433 is about 225.2683744126.

Adding to 11431433 its reverse (33413411), we get a palindrome (44844844).

The spelling of 11431433 in words is "eleven million, four hundred thirty-one thousand, four hundred thirty-three".