13031243511264 has 144 divisors (see below), whose sum is σ = 40548608964864. Its totient is φ = 3936931257600.

The previous prime is 13031243511229. The next prime is 13031243511277. The reversal of 13031243511264 is 46211534213031.

13031243511264 is a `hidden beast` number, since 1 + 30 + 3 + 12 + 4 + 351 + 1 + 264 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 5164984 + ... + 7262199.

It is an arithmetic number, because the mean of its divisors is an integer number (281587562256).

Almost surely, 2^{13031243511264} is an apocalyptic number.

It is an amenable number.

13031243511264 is an abundant number, since it is smaller than the sum of its proper divisors (27517365453600).

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

13031243511264 is a wasteful number, since it uses less digits than its factorization.

13031243511264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12427541 (or 12427530 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 13031243511264 its reverse (46211534213031), we get a palindrome (59242777724295).

The spelling of 13031243511264 in words is "thirteen trillion, thirty-one billion, two hundred forty-three million, five hundred eleven thousand, two hundred sixty-four".