103111118 has 24 divisors (see below), whose sum is σ = 170845416. Its totient is φ = 46637360.

The previous prime is 103111111. The next prime is 103111133. The reversal of 103111118 is 811111301.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 103111096 and 103111105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103111111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53996 + ... + 55872.

It is an arithmetic number, because the mean of its divisors is an integer number (7118559).

Almost surely, 2^103111118 is an apocalyptic number.

103111118 is a deficient number, since it is larger than the sum of its proper divisors (67734298).

103111118 is a wasteful number, since it uses less digits than its factorization.

103111118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128 (or 2117 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 17.

The square root of 103111118 is about 10154.3644803602. The cubic root of 103111118 is about 468.9233208428.

Adding to 103111118 its reverse (811111301), we get a palindrome (914222419).

The spelling of 103111118 in words is "one hundred three million, one hundred eleven thousand, one hundred eighteen".