11031993 has 24 divisors (see below), whose sum is σ = 18660096. Its totient is φ = 6148800.

The previous prime is 11031983. The next prime is 11032039. The reversal of 11031993 is 39913011.

11031993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11031993 - 2⁵ = 11031961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11031983) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 448 + ... + 4718.

It is an arithmetic number, because the mean of its divisors is an integer number (777504).

Almost surely, 2^11031993 is an apocalyptic number.

It is an amenable number.

11031993 is a deficient number, since it is larger than the sum of its proper divisors (7628103).

11031993 is a wasteful number, since it uses less digits than its factorization.

11031993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4325 (or 4322 counting only the distinct ones).

The product of its (nonzero) digits is 729, while the sum is 27.

The square root of 11031993 is about 3321.4444147088. Note that the first 4 decimals coincide. The cubic root of 11031993 is about 222.6134118621.

The spelling of 11031993 in words is "eleven million, thirty-one thousand, nine hundred ninety-three".