131110034123 has 4 divisors (see below), whose sum is σ = 134159104728. Its totient is φ = 128060963520.

The previous prime is 131110034119. The next prime is 131110034149. The reversal of 131110034123 is 321430011131.

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 131110034123 - 2² = 131110034119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131110034095 and 131110034104.

It is not an unprimeable number, because it can be changed into a prime (131110034183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1524535238 + ... + 1524535323.

It is an arithmetic number, because the mean of its divisors is an integer number (33539776182).

Almost surely, 2^131110034123 is an apocalyptic number.

131110034123 is a deficient number, since it is larger than the sum of its proper divisors (3049070605).

131110034123 is an equidigital number, since it uses as much as digits as its factorization.

131110034123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3049070604.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 131110034123 its reverse (321430011131), we get a palindrome (452540045254).

The spelling of 131110034123 in words is "one hundred thirty-one billion, one hundred ten million, thirty-four thousand, one hundred twenty-three".