13031230111323 has 4 divisors (see below), whose sum is σ = 17374973481768. Its totient is φ = 8687486740880.

The previous prime is 13031230111309. The next prime is 13031230111343. The reversal of 13031230111323 is 32311103213031.

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 13031230111323 - 2¹⁶ = 13031230045787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13031230111293 and 13031230111302.

It is not an unprimeable number, because it can be changed into a prime (13031230111343) 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, 2171871685218 + ... + 2171871685223.

It is an arithmetic number, because the mean of its divisors is an integer number (4343743370442).

Almost surely, 2^{13031230111323} is an apocalyptic number.

13031230111323 is a deficient number, since it is larger than the sum of its proper divisors (4343743370445).

13031230111323 is an equidigital number, since it uses as much as digits as its factorization.

13031230111323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4343743370444.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 13031230111323 its reverse (32311103213031), we get a palindrome (45342333324354).

The spelling of 13031230111323 in words is "thirteen trillion, thirty-one billion, two hundred thirty million, one hundred eleven thousand, three hundred twenty-three".