1112313209 has 8 divisors (see below), whose sum is σ = 1273940928. Its totient is φ = 951366960.

The previous prime is 1112313199. The next prime is 1112313217. The reversal of 1112313209 is 9023132111.

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 1112313209 - 2¹² = 1112309113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112313239) 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, 166862 + ... + 173399.

It is an arithmetic number, because the mean of its divisors is an integer number (159242616).

Almost surely, 2^1112313209 is an apocalyptic number.

It is an amenable number.

1112313209 is a deficient number, since it is larger than the sum of its proper divisors (161627719).

1112313209 is an equidigital number, since it uses as much as digits as its factorization.

1112313209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340735.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 1112313209 is about 33351.3599272953. The cubic root of 1112313209 is about 1036.1175537936.

The spelling of 1112313209 in words is "one billion, one hundred twelve million, three hundred thirteen thousand, two hundred nine".