3112123103 has 4 divisors (see below), whose sum is σ = 3112251840. Its totient is φ = 3111994368.

The previous prime is 3112123093. The next prime is 3112123109. The reversal of 3112123103 is 3013212113.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3112123103 - 2⁴ = 3112123087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112123109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15983 + ... + 80496.

It is an arithmetic number, because the mean of its divisors is an integer number (778062960).

Almost surely, 2^3112123103 is an apocalyptic number.

3112123103 is a deficient number, since it is larger than the sum of its proper divisors (128737).

3112123103 is an equidigital number, since it uses as much as digits as its factorization.

3112123103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128736.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 3112123103 is about 55786.4060771081. The cubic root of 3112123103 is about 1459.9979832023.

Adding to 3112123103 its reverse (3013212113), we get a palindrome (6125335216).

The spelling of 3112123103 in words is "three billion, one hundred twelve million, one hundred twenty-three thousand, one hundred three".