11441331 has 20 divisors (see below), whose sum is σ = 18646584. Its totient is φ = 6933600.

The previous prime is 11441329. The next prime is 11441347. The reversal of 11441331 is 13314411.

It is not a de Polignac number, because 11441331 - 2¹ = 11441329 is a prime.

It is a super-2 number, since 2×11441331² = 261808110103122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11441371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5530 + ... + 7311.

Almost surely, 2^11441331 is an apocalyptic number.

11441331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11441331 is a deficient number, since it is larger than the sum of its proper divisors (7205253).

11441331 is a wasteful number, since it uses less digits than its factorization.

11441331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12864 (or 12855 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 11441331 is about 3382.5036585346. The cubic root of 11441331 is about 225.3333724796. Note that the first 4 decimals are identical.

Adding to 11441331 its reverse (13314411), we get a palindrome (24755742).

Subtracting 11441331 from its reverse (13314411), we obtain a triangular number (1873080 = T₁₉₃₅).

The spelling of 11441331 in words is "eleven million, four hundred forty-one thousand, three hundred thirty-one".