111312001003 has 16 divisors (see below), whose sum is σ = 128172876480. Its totient is φ = 94693550976.

The previous prime is 111312000953. The next prime is 111312001033. The reversal of 111312001003 is 300100213111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111312001003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111312001033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398625 + ... + 617677.

It is an arithmetic number, because the mean of its divisors is an integer number (8010804780).

Almost surely, 2^111312001003 is an apocalyptic number.

111312001003 is a deficient number, since it is larger than the sum of its proper divisors (16860875477).

111312001003 is a wasteful number, since it uses less digits than its factorization.

111312001003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219606.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 111312001003 its reverse (300100213111), we get a palindrome (411412214114).

The spelling of 111312001003 in words is "one hundred eleven billion, three hundred twelve million, one thousand, three".