11131442 has 8 divisors (see below), whose sum is σ = 19082496. Its totient is φ = 4770612.

The previous prime is 11131427. The next prime is 11131469. The reversal of 11131442 is 24413111.

It is a happy number.

11131442 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 a self number, because there is not a number n which added to its sum of digits gives 11131442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397538 + ... + 397565.

It is an arithmetic number, because the mean of its divisors is an integer number (2385312).

Almost surely, 2^11131442 is an apocalyptic number.

11131442 is a deficient number, since it is larger than the sum of its proper divisors (7951054).

11131442 is an equidigital number, since it uses as much as digits as its factorization.

11131442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795112.

The product of its digits is 96, while the sum is 17.

The square root of 11131442 is about 3336.3815729020. The cubic root of 11131442 is about 223.2803354356.

Adding to 11131442 its reverse (24413111), we get a palindrome (35544553).

The spelling of 11131442 in words is "eleven million, one hundred thirty-one thousand, four hundred forty-two".