11431090 has 16 divisors (see below), whose sum is σ = 22446720. Its totient is φ = 4156720.

The previous prime is 11431067. The next prime is 11431099. The reversal of 11431090 is 9013411.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11431099) 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 7 ways as a sum of consecutive naturals, for example, 51850 + ... + 52069.

It is an arithmetic number, because the mean of its divisors is an integer number (1402920).

Almost surely, 2^11431090 is an apocalyptic number.

11431090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11431090 is a deficient number, since it is larger than the sum of its proper divisors (11015630).

11431090 is a wasteful number, since it uses less digits than its factorization.

11431090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103937.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 11431090 is about 3380.9895001316. The cubic root of 11431090 is about 225.2661213318.

The spelling of 11431090 in words is "eleven million, four hundred thirty-one thousand, ninety".