11144331 has 32 divisors (see below), whose sum is σ = 18201600. Its totient is φ = 6683040.

The previous prime is 11144321. The next prime is 11144339. The reversal of 11144331 is 13344111.

It is not a de Polignac number, because 11144331 - 2¹⁴ = 11127947 is a prime.

It is a super-2 number, since 2×11144331² = 248392226875122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11144339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46510 + ... + 46748.

It is an arithmetic number, because the mean of its divisors is an integer number (568800).

Almost surely, 2^11144331 is an apocalyptic number.

11144331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11144331 is a deficient number, since it is larger than the sum of its proper divisors (7057269).

11144331 is a wasteful number, since it uses less digits than its factorization.

11144331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 410 counting only the distinct ones).

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

The square root of 11144331 is about 3338.3125977056. The cubic root of 11144331 is about 223.3664803156.

Adding to 11144331 its reverse (13344111), we get a palindrome (24488442).

It can be divided in two parts, 1114 and 4331, that added together give a palindrome (5445).

The spelling of 11144331 in words is "eleven million, one hundred forty-four thousand, three hundred thirty-one".