11031113 has 4 divisors (see below), whose sum is σ = 11680020. Its totient is φ = 10382208.

The previous prime is 11031073. The next prime is 11031121. The reversal of 11031113 is 31113011.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7689529 + 3341584 = 2773^2 + 1828^2 .

It is a cyclic number.

It is not a de Polignac number, because 11031113 - 2⁸ = 11030857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11031094 and 11031103.

It is not an unprimeable number, because it can be changed into a prime (11031193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324428 + ... + 324461.

It is an arithmetic number, because the mean of its divisors is an integer number (2920005).

Almost surely, 2^11031113 is an apocalyptic number.

It is an amenable number.

11031113 is a deficient number, since it is larger than the sum of its proper divisors (648907).

11031113 is an equidigital number, since it uses as much as digits as its factorization.

11031113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648906.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 11031113 is about 3321.3119395805. The cubic root of 11031113 is about 222.6074925626.

Adding to 11031113 its reverse (31113011), we get a palindrome (42144124).

The spelling of 11031113 in words is "eleven million, thirty-one thousand, one hundred thirteen".