11442131 has 8 divisors (see below), whose sum is σ = 11956224. Its totient is φ = 10937160.

The previous prime is 11442127. The next prime is 11442143. The reversal of 11442131 is 13124411.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11442131 - 2² = 11442127 is a prime.

It is a super-2 number, since 2×11442131² = 261844723642322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11442121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350 + ... + 4796.

It is an arithmetic number, because the mean of its divisors is an integer number (1494528).

Almost surely, 2^11442131 is an apocalyptic number.

11442131 is a deficient number, since it is larger than the sum of its proper divisors (514093).

11442131 is an equidigital number, since it uses as much as digits as its factorization.

11442131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4561.

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

The square root of 11442131 is about 3382.6219120676. The cubic root of 11442131 is about 225.3386242723.

Adding to 11442131 its reverse (13124411), we get a palindrome (24566542).

The spelling of 11442131 in words is "eleven million, four hundred forty-two thousand, one hundred thirty-one".