11331103 has 12 divisors (see below), whose sum is σ = 13370832. Its totient is φ = 9572640.

The previous prime is 11331091. The next prime is 11331121. The reversal of 11331103 is 30113311.

It is a happy number.

It is not a de Polignac number, because 11331103 - 2⁵ = 11331071 is a prime.

It is a super-3 number, since 3×11331103³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11341103) 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, 1851 + ... + 5107.

It is an arithmetic number, because the mean of its divisors is an integer number (1114236).

Almost surely, 2^11331103 is an apocalyptic number.

11331103 is a deficient number, since it is larger than the sum of its proper divisors (2039729).

11331103 is an equidigital number, since it uses as much as digits as its factorization.

11331103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342 (or 3335 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 11331103 is about 3366.1703759614. The cubic root of 11331103 is about 224.6074009551.

Adding to 11331103 its reverse (30113311), we get a palindrome (41444414).

The spelling of 11331103 in words is "eleven million, three hundred thirty-one thousand, one hundred three".