11031009 has 32 divisors (see below), whose sum is σ = 17031168. Its totient is φ = 6288000.

The previous prime is 11030989. The next prime is 11031017. The reversal of 11031009 is 90013011.

It is not a de Polignac number, because 11031009 - 2⁷ = 11030881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11031019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41812 + ... + 42074.

It is an arithmetic number, because the mean of its divisors is an integer number (532224).

Almost surely, 2^11031009 is an apocalyptic number.

It is an amenable number.

11031009 is a deficient number, since it is larger than the sum of its proper divisors (6000159).

11031009 is a wasteful number, since it uses less digits than its factorization.

11031009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349.

The product of its (nonzero) digits is 27, while the sum is 15.

The square root of 11031009 is about 3321.2962830798. The cubic root of 11031009 is about 222.6067929882.

It can be divided in two parts, 1103 and 1009, that added together give a palindrome (2112).

The spelling of 11031009 in words is "eleven million, thirty-one thousand, nine".