11242331 has 4 divisors (see below), whose sum is σ = 11731152. Its totient is φ = 10753512.

The previous prime is 11242327. The next prime is 11242373. The reversal of 11242331 is 13324211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13324211 = 97 ⋅137363.

It is not a de Polignac number, because 11242331 - 2² = 11242327 is a prime.

It is a super-2 number, since 2×11242331² = 252780012627122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11242381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244376 + ... + 244421.

It is an arithmetic number, because the mean of its divisors is an integer number (2932788).

Almost surely, 2^11242331 is an apocalyptic number.

11242331 is a deficient number, since it is larger than the sum of its proper divisors (488821).

11242331 is an equidigital number, since it uses as much as digits as its factorization.

11242331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488820.

The product of its digits is 144, while the sum is 17.

The square root of 11242331 is about 3352.9585443307. The cubic root of 11242331 is about 224.0193103569.

Adding to 11242331 its reverse (13324211), we get a palindrome (24566542).

The spelling of 11242331 in words is "eleven million, two hundred forty-two thousand, three hundred thirty-one".