13031213131323 has 12 divisors (see below), whose sum is σ = 18822917426040. Its totient is φ = 8687450491296.

The previous prime is 13031213131309. The next prime is 13031213131331. The reversal of 13031213131323 is 32313131213031.

13031213131323 is a `hidden beast` number, since 1 + 3 + 0 + 3 + 1 + 21 + 313 + 1 + 323 = 666.

13031213131323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13031213131323 - 2⁸ = 13031213131067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13031213131423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1570183 + ... + 5341151.

It is an arithmetic number, because the mean of its divisors is an integer number (1568576452170).

Almost surely, 2^{13031213131323} is an apocalyptic number.

13031213131323 is a deficient number, since it is larger than the sum of its proper divisors (5791704294717).

13031213131323 is a wasteful number, since it uses less digits than its factorization.

13031213131323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4154938 (or 4154935 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 13031213131323 its reverse (32313131213031), we get a palindrome (45344344344354).

The spelling of 13031213131323 in words is "thirteen trillion, thirty-one billion, two hundred thirteen million, one hundred thirty-one thousand, three hundred twenty-three".