12104230031 has 4 divisors (see below), whose sum is σ = 12114567864. Its totient is φ = 12093892200.

The previous prime is 12104230013. The next prime is 12104230037. The reversal of 12104230031 is 13003240121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12104230031 is a prime.

It is a super-2 number, since 2×12104230031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12104229991 and 12104230009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12104230037) 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, 5167160 + ... + 5169501.

It is an arithmetic number, because the mean of its divisors is an integer number (3028641966).

Almost surely, 2^12104230031 is an apocalyptic number.

12104230031 is a deficient number, since it is larger than the sum of its proper divisors (10337833).

12104230031 is a wasteful number, since it uses less digits than its factorization.

12104230031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10337832.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12104230031 its reverse (13003240121), we get a palindrome (25107470152).

The spelling of 12104230031 in words is "twelve billion, one hundred four million, two hundred thirty thousand, thirty-one".