103111113 has 16 divisors (see below), whose sum is σ = 159276416. Its totient is φ = 58112640.

The previous prime is 103111111. The next prime is 103111133. The reversal of 103111113 is 311111301.

It is not a de Polignac number, because 103111113 - 2¹ = 103111111 is a prime.

It is a Duffinian number.

It is a Curzon number.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32098 + ... + 35163.

It is an arithmetic number, because the mean of its divisors is an integer number (9954776).

Almost surely, 2^103111113 is an apocalyptic number.

It is an amenable number.

103111113 is a deficient number, since it is larger than the sum of its proper divisors (56165303).

103111113 is an equidigital number, since it uses as much as digits as its factorization.

103111113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67344.

The product of its (nonzero) digits is 9, while the sum is 12.

The square root of 103111113 is about 10154.3642341606. The cubic root of 103111113 is about 468.9233132632.

Adding to 103111113 its reverse (311111301), we get a palindrome (414222414).

The spelling of 103111113 in words is "one hundred three million, one hundred eleven thousand, one hundred thirteen".