1103306031 has 12 divisors (see below), whose sum is σ = 1594055320. Its totient is φ = 735356880.

The previous prime is 1103306011. The next prime is 1103306047. The reversal of 1103306031 is 1306033011.

It is not a de Polignac number, because 1103306031 - 2¹¹ = 1103303983 is a prime.

It is a super-2 number, since 2×1103306031² = 2434568396081945922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1103305995 and 1103306013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103306011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31140 + ... + 56358.

Almost surely, 2^1103306031 is an apocalyptic number.

1103306031 is a deficient number, since it is larger than the sum of its proper divisors (490749289).

1103306031 is a wasteful number, since it uses less digits than its factorization.

1103306031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30086 (or 30083 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1103306031 is about 33216.0508037906. The cubic root of 1103306031 is about 1033.3132478117.

Adding to 1103306031 its reverse (1306033011), we get a palindrome (2409339042).

The spelling of 1103306031 in words is "one billion, one hundred three million, three hundred six thousand, thirty-one".