11431442 has 8 divisors (see below), whose sum is σ = 18706032. Its totient is φ = 5196100.

The previous prime is 11431403. The next prime is 11431447. The reversal of 11431442 is 24413411.

11431442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11431447) 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, 259784 + ... + 259827.

It is an arithmetic number, because the mean of its divisors is an integer number (2338254).

Almost surely, 2^11431442 is an apocalyptic number.

11431442 is a deficient number, since it is larger than the sum of its proper divisors (7274590).

11431442 is a wasteful number, since it uses less digits than its factorization.

11431442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519624.

The product of its digits is 384, while the sum is 20.

The square root of 11431442 is about 3381.0415554974. The cubic root of 11431442 is about 225.2684335307.

Adding to 11431442 its reverse (24413411), we get a palindrome (35844853).

The spelling of 11431442 in words is "eleven million, four hundred thirty-one thousand, four hundred forty-two".