11031042 has 32 divisors (see below), whose sum is σ = 24185664. Its totient is φ = 3326400.

The previous prime is 11031023. The next prime is 11031047. The reversal of 11031042 is 24013011.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11031047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25992 + ... + 26412.

It is an arithmetic number, because the mean of its divisors is an integer number (755802).

Almost surely, 2^11031042 is an apocalyptic number.

11031042 is an abundant number, since it is smaller than the sum of its proper divisors (13154622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11031042 is a wasteful number, since it uses less digits than its factorization.

11031042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 11031042 is about 3321.3012510159. The cubic root of 11031042 is about 222.6070149690.

Adding to 11031042 its reverse (24013011), we get a palindrome (35044053).

It can be divided in two parts, 1103 and 1042, that added together give a triangular number (2145 = T₆₅).

The spelling of 11031042 in words is "eleven million, thirty-one thousand, forty-two".