131112103 has 16 divisors (see below), whose sum is σ = 143820000. Its totient is φ = 119048832.

The previous prime is 131112097. The next prime is 131112131. The reversal of 131112103 is 301211131.

It is not a de Polignac number, because 131112103 - 2¹⁷ = 130981031 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 (131112173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81301 + ... + 82897.

It is an arithmetic number, because the mean of its divisors is an integer number (8988750).

Almost surely, 2^131112103 is an apocalyptic number.

131112103 is a deficient number, since it is larger than the sum of its proper divisors (12707897).

131112103 is a wasteful number, since it uses less digits than its factorization.

131112103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794.

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

The square root of 131112103 is about 11450.4193372994. The cubic root of 131112103 is about 508.0201376170.

Adding to 131112103 its reverse (301211131), we get a palindrome (432323234).

The spelling of 131112103 in words is "one hundred thirty-one million, one hundred twelve thousand, one hundred three".