111312103 has 8 divisors (see below), whose sum is σ = 131317760. Its totient is φ = 92332440.

The previous prime is 111312101. The next prime is 111312109. The reversal of 111312103 is 301213111.

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 111312103 - 2¹ = 111312101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111312101) 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, 256263 + ... + 256696.

It is an arithmetic number, because the mean of its divisors is an integer number (16414720).

Almost surely, 2^111312103 is an apocalyptic number.

111312103 is a deficient number, since it is larger than the sum of its proper divisors (20005657).

111312103 is an equidigital number, since it uses as much as digits as its factorization.

111312103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512997.

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

The square root of 111312103 is about 10550.4551086671. The cubic root of 111312103 is about 481.0395626191.

Adding to 111312103 its reverse (301213111), we get a palindrome (412525214).

The spelling of 111312103 in words is "one hundred eleven million, three hundred twelve thousand, one hundred three".