13131025135244 has 12 divisors (see below), whose sum is σ = 22979495884800. Its totient is φ = 6565454882448.

The previous prime is 13131025135223. The next prime is 13131025135247. The reversal of 13131025135244 is 44253152013131.

It is a super-2 number, since 2×13131025135244² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13131025135247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13907084 + ... + 14821235.

It is an arithmetic number, because the mean of its divisors is an integer number (1914957990400).

Almost surely, 2^{13131025135244} is an apocalyptic number.

It is an amenable number.

13131025135244 is a deficient number, since it is larger than the sum of its proper divisors (9848470749556).

13131025135244 is a wasteful number, since it uses less digits than its factorization.

13131025135244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28842592 (or 28842590 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 13131025135244 its reverse (44253152013131), we get a palindrome (57384177148375).

The spelling of 13131025135244 in words is "thirteen trillion, one hundred thirty-one billion, twenty-five million, one hundred thirty-five thousand, two hundred forty-four".