11031043 has 4 divisors (see below), whose sum is σ = 11038608. Its totient is φ = 11023480.

The previous prime is 11031023. The next prime is 11031047. The reversal of 11031043 is 34013011.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11031043 - 2⁹ = 11030531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11031047) 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, 823 + ... + 4768.

It is an arithmetic number, because the mean of its divisors is an integer number (2759652).

Almost surely, 2^11031043 is an apocalyptic number.

11031043 is a deficient number, since it is larger than the sum of its proper divisors (7565).

11031043 is an equidigital number, since it uses as much as digits as its factorization.

11031043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7564.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 11031043 is about 3321.3014015593. The cubic root of 11031043 is about 222.6070216957.

Adding to 11031043 its reverse (34013011), we get a palindrome (45044054).

The spelling of 11031043 in words is "eleven million, thirty-one thousand, forty-three".