11031147 has 20 divisors (see below), whose sum is σ = 17450136. Its totient is φ = 6920640.

The previous prime is 11031121. The next prime is 11031161. The reversal of 11031147 is 74113011.

It is not a de Polignac number, because 11031147 - 2⁷ = 11031019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11031187) 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 19 ways as a sum of consecutive naturals, for example, 2629 + ... + 5382.

Almost surely, 2^11031147 is an apocalyptic number.

11031147 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11031147 is a deficient number, since it is larger than the sum of its proper divisors (6418989).

11031147 is an equidigital number, since it uses as much as digits as its factorization.

11031147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8040 (or 8031 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 11031147 is about 3321.3170580359. The cubic root of 11031147 is about 222.6077212686.

Adding to 11031147 its reverse (74113011), we get a palindrome (85144158).

The spelling of 11031147 in words is "eleven million, thirty-one thousand, one hundred forty-seven".