11144231 has 16 divisors (see below), whose sum is σ = 13685760. Its totient is φ = 8856960.

The previous prime is 11144219. The next prime is 11144261. The reversal of 11144231 is 13244111.

It is a happy number.

It is not a de Polignac number, because 11144231 - 2¹⁰ = 11143207 is a prime.

It is a super-2 number, since 2×11144231² = 248387769162722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11144261) 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, 7790 + ... + 9108.

It is an arithmetic number, because the mean of its divisors is an integer number (855360).

Almost surely, 2^11144231 is an apocalyptic number.

11144231 is a deficient number, since it is larger than the sum of its proper divisors (2541529).

11144231 is a wasteful number, since it uses less digits than its factorization.

11144231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414.

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

The square root of 11144231 is about 3338.2976200453. The cubic root of 11144231 is about 223.3658122117.

Adding to 11144231 its reverse (13244111), we get a palindrome (24388342).

The spelling of 11144231 in words is "eleven million, one hundred forty-four thousand, two hundred thirty-one".