231040112103 has 20 divisors (see below), whose sum is σ = 345240355680. Its totient is φ = 153979274592.

The previous prime is 231040112089. The next prime is 231040112129. The reversal of 231040112103 is 301211040132.

It is not a de Polignac number, because 231040112103 - 2²² = 231035917799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231040119103) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 174063 + ... + 701696.

It is an arithmetic number, because the mean of its divisors is an integer number (17262017784).

Almost surely, 2^231040112103 is an apocalyptic number.

231040112103 is a deficient number, since it is larger than the sum of its proper divisors (114200243577).

231040112103 is an equidigital number, since it uses as much as digits as its factorization.

231040112103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879028 (or 879019 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 231040112103 its reverse (301211040132), we get a palindrome (532251152235).

The spelling of 231040112103 in words is "two hundred thirty-one billion, forty million, one hundred twelve thousand, one hundred three".