11030031 has 6 divisors (see below), whose sum is σ = 15932280. Its totient is φ = 7353348.

The previous prime is 11030011. The next prime is 11030039. The reversal of 11030031 is 13003011.

It is not a de Polignac number, because 11030031 - 2⁵ = 11029999 is a prime.

It is a super-2 number, since 2×11030031² = 243323167721922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1225559 = 11030031 / (1 + 1 + 0 + 3 + 0 + 0 + 3 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 11029995 and 11030022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11030039) 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 5 ways as a sum of consecutive naturals, for example, 612771 + ... + 612788.

It is an arithmetic number, because the mean of its divisors is an integer number (2655380).

Almost surely, 2^11030031 is an apocalyptic number.

11030031 is a deficient number, since it is larger than the sum of its proper divisors (4902249).

11030031 is a wasteful number, since it uses less digits than its factorization.

11030031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225565 (or 1225562 counting only the distinct ones).

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

The square root of 11030031 is about 3321.1490481458. The cubic root of 11030031 is about 222.6002140833.

Adding to 11030031 its reverse (13003011), we get a palindrome (24033042).

The spelling of 11030031 in words is "eleven million, thirty thousand, thirty-one".