112131231103 has 4 divisors (see below), whose sum is σ = 112203903568. Its totient is φ = 112058558640.

The previous prime is 112131231061. The next prime is 112131231139. The reversal of 112131231103 is 301132131211.

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 112131231103 - 2¹⁷ = 112131100031 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 (112131231143) 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, 36333918 + ... + 36337003.

It is an arithmetic number, because the mean of its divisors is an integer number (28050975892).

Almost surely, 2^112131231103 is an apocalyptic number.

112131231103 is a deficient number, since it is larger than the sum of its proper divisors (72672465).

112131231103 is an equidigital number, since it uses as much as digits as its factorization.

112131231103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72672464.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 112131231103 its reverse (301132131211), we get a palindrome (413263362314).

The spelling of 112131231103 in words is "one hundred twelve billion, one hundred thirty-one million, two hundred thirty-one thousand, one hundred three".