13112231313140 has 12 divisors (see below), whose sum is σ = 27535685757636. Its totient is φ = 5244892525248.

The previous prime is 13112231313079. The next prime is 13112231313187. The reversal of 13112231313140 is 4131313221131.

It can be written as a sum of positive squares in 2 ways, for example, as 7234690508644 + 5877540804496 = 2689738^2 + 2424364^2 .

It is a super-2 number, since 2×13112231313140² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327805782809 + ... + 327805782848.

It is an arithmetic number, because the mean of its divisors is an integer number (2294640479803).

Almost surely, 2^{13112231313140} is an apocalyptic number.

13112231313140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13112231313140 is an abundant number, since it is smaller than the sum of its proper divisors (14423454444496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13112231313140 is a wasteful number, since it uses less digits than its factorization.

13112231313140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655611565666 (or 655611565664 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 13112231313140 its reverse (4131313221131), we get a palindrome (17243544534271).

The spelling of 13112231313140 in words is "thirteen trillion, one hundred twelve billion, two hundred thirty-one million, three hundred thirteen thousand, one hundred forty".