11031087 has 4 divisors (see below), whose sum is σ = 14708120. Its totient is φ = 7354056.

The previous prime is 11031073. The next prime is 11031121. The reversal of 11031087 is 78013011.

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

It is not a de Polignac number, because 11031087 - 2⁶ = 11031023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031017) 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, 1838512 + ... + 1838517.

It is an arithmetic number, because the mean of its divisors is an integer number (3677030).

Almost surely, 2^11031087 is an apocalyptic number.

11031087 is a deficient number, since it is larger than the sum of its proper divisors (3677033).

11031087 is an equidigital number, since it uses as much as digits as its factorization.

11031087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3677032.

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 11031087 is about 3321.3080254623. The cubic root of 11031087 is about 222.6073176694.

Adding to 11031087 its reverse (78013011), we get a palindrome (89044098).

The spelling of 11031087 in words is "eleven million, thirty-one thousand, eighty-seven".