1103112309 has 8 divisors (see below), whose sum is σ = 1583956192. Its totient is φ = 678838320.

The previous prime is 1103112299. The next prime is 1103112323. The reversal of 1103112309 is 9032113011.

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

It is not a de Polignac number, because 1103112309 - 2⁹ = 1103111797 is a prime.

It is a super-2 number, since 2×1103112309² = 2433713532534622962, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103112509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14142427 + ... + 14142504.

It is an arithmetic number, because the mean of its divisors is an integer number (197994524).

Almost surely, 2^1103112309 is an apocalyptic number.

It is an amenable number.

1103112309 is a deficient number, since it is larger than the sum of its proper divisors (480843883).

1103112309 is a wasteful number, since it uses less digits than its factorization.

1103112309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28284947.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 1103112309 is about 33213.1345855823. The cubic root of 1103112309 is about 1033.2527667906.

The spelling of 1103112309 in words is "one billion, one hundred three million, one hundred twelve thousand, three hundred nine".