11131103 has 8 divisors (see below), whose sum is σ = 11726208. Its totient is φ = 10545304.

The previous prime is 11131079. The next prime is 11131111. The reversal of 11131103 is 30113111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11131103 - 2¹² = 11127007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200 + ... + 4722.

It is an arithmetic number, because the mean of its divisors is an integer number (1465776).

Almost surely, 2^11131103 is an apocalyptic number.

11131103 is a deficient number, since it is larger than the sum of its proper divisors (595105).

11131103 is a wasteful number, since it uses less digits than its factorization.

11131103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4653.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 11131103 is about 3336.3307689736. The cubic root of 11131103 is about 223.2780687990.

Adding to 11131103 its reverse (30113111), we get a palindrome (41244214).

The spelling of 11131103 in words is "eleven million, one hundred thirty-one thousand, one hundred three".