1131103112 has 16 divisors (see below), whose sum is σ = 2152473360. Its totient is φ = 557110224.

The previous prime is 1131103097. The next prime is 1131103123. The reversal of 1131103112 is 2113011311.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1054598 + ... + 1055669.

It is an arithmetic number, because the mean of its divisors is an integer number (134529585).

Almost surely, 2^1131103112 is an apocalyptic number.

It is an amenable number.

1131103112 is a deficient number, since it is larger than the sum of its proper divisors (1021370248).

1131103112 is a wasteful number, since it uses less digits than its factorization.

1131103112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110340 (or 2110336 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1131103112 is about 33631.8764269852. The cubic root of 1131103112 is about 1041.9192591950.

Adding to 1131103112 its reverse (2113011311), we get a palindrome (3244114423).

The spelling of 1131103112 in words is "one billion, one hundred thirty-one million, one hundred three thousand, one hundred twelve".