11112331 has 4 divisors (see below), whose sum is σ = 11161512. Its totient is φ = 11063152.

The previous prime is 11112329. The next prime is 11112371. The reversal of 11112331 is 13321111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11112331 - 2¹ = 11112329 is a prime.

It is a super-2 number, since 2×11112331² = 246967800507122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11112371) 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 3 ways as a sum of consecutive naturals, for example, 24250 + ... + 24703.

It is an arithmetic number, because the mean of its divisors is an integer number (2790378).

Almost surely, 2^11112331 is an apocalyptic number.

11112331 is a deficient number, since it is larger than the sum of its proper divisors (49181).

11112331 is an equidigital number, since it uses as much as digits as its factorization.

11112331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49180.

The product of its digits is 18, while the sum is 13.

The square root of 11112331 is about 3333.5163116445. The cubic root of 11112331 is about 223.1524827334.

Adding to 11112331 its reverse (13321111), we get a palindrome (24433442).

The spelling of 11112331 in words is "eleven million, one hundred twelve thousand, three hundred thirty-one".