1103031 has 8 divisors (see below), whose sum is σ = 1634160. Its totient is φ = 735336.

The previous prime is 1103029. The next prime is 1103041. The reversal of 1103031 is 1303011.

It is not a de Polignac number, because 1103031 - 2¹ = 1103029 is a prime.

It is a super-2 number, since 2×1103031² = 2433354773922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103041) 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 7 ways as a sum of consecutive naturals, for example, 20400 + ... + 20453.

It is an arithmetic number, because the mean of its divisors is an integer number (204270).

2^1103031 is an apocalyptic number.

1103031 is a deficient number, since it is larger than the sum of its proper divisors (531129).

1103031 is an equidigital number, since it uses as much as digits as its factorization.

1103031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40862 (or 40856 counting only the distinct ones).

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

The square root of 1103031 is about 1050.2528267041. The cubic root of 1103031 is about 103.3227379586.

Adding to 1103031 its reverse (1303011), we get a palindrome (2406042).

The spelling of 1103031 in words is "one million, one hundred three thousand, thirty-one".