1131104312 has 16 divisors (see below), whose sum is σ = 2283960840. Its totient is φ = 522048096.

The previous prime is 1131104297. The next prime is 1131104341. The reversal of 1131104312 is 2134011311.

It is a congruent 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, 5437898 + ... + 5438105.

Almost surely, 2^1131104312 is an apocalyptic number.

It is an amenable number.

1131104312 is an abundant number, since it is smaller than the sum of its proper divisors (1152856528).

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

1131104312 is a wasteful number, since it uses less digits than its factorization.

1131104312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10876022 (or 10876018 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1131104312 is about 33631.8942671982. The cubic root of 1131104312 is about 1041.9196276562.

Adding to 1131104312 its reverse (2134011311), we get a palindrome (3265115623).

The spelling of 1131104312 in words is "one billion, one hundred thirty-one million, one hundred four thousand, three hundred twelve".