13112321312131 has 8 divisors (see below), whose sum is σ = 13385061520128. Its totient is φ = 12842027205000.

The previous prime is 13112321312059. The next prime is 13112321312141. The reversal of 13112321312131 is 13121312321131.

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 13112321312131 - 2⁷ = 13112321312003 is a prime.

It is a super-2 number, since 2×13112321312131² (a number of 27 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 = 13112321312096 and 13112321312105.

It is not an unprimeable number, because it can be changed into a prime (13112321312141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611514385 + ... + 611535826.

It is an arithmetic number, because the mean of its divisors is an integer number (1673132690016).

Almost surely, 2^{13112321312131} is an apocalyptic number.

13112321312131 is a deficient number, since it is larger than the sum of its proper divisors (272740207997).

13112321312131 is a wasteful number, since it uses less digits than its factorization.

13112321312131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223050433.

The product of its digits is 648, while the sum is 25.

Adding to 13112321312131 its reverse (13121312321131), we get a palindrome (26233633633262).

The spelling of 13112321312131 in words is "thirteen trillion, one hundred twelve billion, three hundred twenty-one million, three hundred twelve thousand, one hundred thirty-one".