111312003 has 8 divisors (see below), whose sum is σ = 161908416. Its totient is φ = 67461800.

The previous prime is 111311987. The next prime is 111312023. The reversal of 111312003 is 300213111.

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 111312003 - 2⁴ = 111311987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111312003.

It is not an unprimeable number, because it can be changed into a prime (111312023) 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, 1686513 + ... + 1686578.

It is an arithmetic number, because the mean of its divisors is an integer number (20238552).

Almost surely, 2^111312003 is an apocalyptic number.

111312003 is a deficient number, since it is larger than the sum of its proper divisors (50596413).

111312003 is a wasteful number, since it uses less digits than its factorization.

111312003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3373105.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 111312003 is about 10550.4503695340. The cubic root of 111312003 is about 481.0394185678.

Adding to 111312003 its reverse (300213111), we get a palindrome (411525114).

The spelling of 111312003 in words is "one hundred eleven million, three hundred twelve thousand, three".