13112400531313 has 8 divisors (see below), whose sum is σ = 13484211225768. Its totient is φ = 12741506757504.

The previous prime is 13112400531257. The next prime is 13112400531463. The reversal of 13112400531313 is 31313500421131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3704635616049 + 9407764915264 = 1924743^2 + 3067208^2 .

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 13112400531313 - 2⁴¹ = 10913377275761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13112410531313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229201156 + ... + 229258357.

It is an arithmetic number, because the mean of its divisors is an integer number (1685526403221).

Almost surely, 2^{13112400531313} is an apocalyptic number.

It is an amenable number.

13112400531313 is a deficient number, since it is larger than the sum of its proper divisors (371810694455).

13112400531313 is an equidigital number, since it uses as much as digits as its factorization.

13112400531313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458460323.

The product of its (nonzero) digits is 3240, while the sum is 28.

Adding to 13112400531313 its reverse (31313500421131), we get a palindrome (44425900952444).

The spelling of 13112400531313 in words is "thirteen trillion, one hundred twelve billion, four hundred million, five hundred thirty-one thousand, three hundred thirteen".