111303307 has 8 divisors (see below), whose sum is σ = 114168384. Its totient is φ = 108450888.

The previous prime is 111303271. The next prime is 111303331. The reversal of 111303307 is 703303111.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111303307 is a prime.

It is a super-2 number, since 2×111303307² = 24776852298272498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111303347) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16128 + ... + 21970.

It is an arithmetic number, because the mean of its divisors is an integer number (14271048).

Almost surely, 2^111303307 is an apocalyptic number.

111303307 is a deficient number, since it is larger than the sum of its proper divisors (2865077).

111303307 is an equidigital number, since it uses as much as digits as its factorization.

111303307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6329.

The product of its (nonzero) digits is 189, while the sum is 19.

The square root of 111303307 is about 10550.0382463762. The cubic root of 111303307 is about 481.0268915338.

Adding to 111303307 its reverse (703303111), we get a palindrome (814606418).

The spelling of 111303307 in words is "one hundred eleven million, three hundred three thousand, three hundred seven".