103111103 has 4 divisors (see below), whose sum is σ = 109176480. Its totient is φ = 97045728.

The previous prime is 103111087. The next prime is 103111109. The reversal of 103111103 is 301111301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103111103 - 2⁴ = 103111087 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 (103111109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3032663 + ... + 3032696.

It is an arithmetic number, because the mean of its divisors is an integer number (27294120).

Almost surely, 2^103111103 is an apocalyptic number.

103111103 is a deficient number, since it is larger than the sum of its proper divisors (6065377).

103111103 is an equidigital number, since it uses as much as digits as its factorization.

103111103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6065376.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 103111103 is about 10154.3637417615. The cubic root of 103111103 is about 468.9232981041.

Adding to 103111103 its reverse (301111301), we get a palindrome (404222404).

It can be divided in two parts, 10 and 3111103, that added together give a palindrome (3111113).

The spelling of 103111103 in words is "one hundred three million, one hundred eleven thousand, one hundred three".