11031868 has 12 divisors (see below), whose sum is σ = 19378912. Its totient is φ = 5495040.

The previous prime is 11031859. The next prime is 11031869. The reversal of 11031868 is 86813011.

It is a happy number.

It is a super-2 number, since 2×11031868² = 243404223138848, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4005 + ... + 6172.

Almost surely, 2^11031868 is an apocalyptic number.

It is an amenable number.

11031868 is a deficient number, since it is larger than the sum of its proper divisors (8347044).

11031868 is a wasteful number, since it uses less digits than its factorization.

11031868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10452 (or 10450 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 11031868 is about 3321.4255975409. The cubic root of 11031868 is about 222.6125710717.

Adding to 11031868 its reverse (86813011), we get a palindrome (97844879).

The spelling of 11031868 in words is "eleven million, thirty-one thousand, eight hundred sixty-eight".