1103231112 has 32 divisors (see below), whose sum is σ = 2799247200. Its totient is φ = 362254464.

The previous prime is 1103231111. The next prime is 1103231159. The reversal of 1103231112 is 2111323011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1103231091 and 1103231100.

It is not an unprimeable number, because it can be changed into a prime (1103231111) 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, 341437 + ... + 344652.

It is an arithmetic number, because the mean of its divisors is an integer number (87476475).

Almost surely, 2^1103231112 is an apocalyptic number.

1103231112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1103231112 is an abundant number, since it is smaller than the sum of its proper divisors (1696016088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1103231112 is a wasteful number, since it uses less digits than its factorization.

1103231112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686165 (or 686161 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1103231112 is about 33214.9230316736. The cubic root of 1103231112 is about 1033.2898585479.

Adding to 1103231112 its reverse (2111323011), we get a palindrome (3214554123).

The spelling of 1103231112 in words is "one billion, one hundred three million, two hundred thirty-one thousand, one hundred twelve".