13031331232123 has 8 divisors (see below), whose sum is σ = 13283221477248. Its totient is φ = 12779663804544.

The previous prime is 13031331232121. The next prime is 13031331232201. The reversal of 13031331232123 is 32123213313031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13031331232123 - 2¹ = 13031331232121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13031331232091 and 13031331232100.

It is not an unprimeable number, because it can be changed into a prime (13031331232121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55586286 + ... + 55820227.

It is an arithmetic number, because the mean of its divisors is an integer number (1660402684656).

Almost surely, 2^{13031331232123} is an apocalyptic number.

13031331232123 is a deficient number, since it is larger than the sum of its proper divisors (251890245125).

13031331232123 is a wasteful number, since it uses less digits than its factorization.

13031331232123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111408773.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 13031331232123 its reverse (32123213313031), we get a palindrome (45154544545154).

The spelling of 13031331232123 in words is "thirteen trillion, thirty-one billion, three hundred thirty-one million, two hundred thirty-two thousand, one hundred twenty-three".