13031285744 has 80 divisors (see below), whose sum is σ = 26329543968. Its totient is φ = 6242697216.

The previous prime is 13031285737. The next prime is 13031285759. The reversal of 13031285744 is 44758213031.

It is a junction number, because it is equal to n+sod(n) for n = 13031285698 and 13031285707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14757527 + ... + 14758409.

Almost surely, 2^13031285744 is an apocalyptic number.

It is an amenable number.

13031285744 is an abundant number, since it is smaller than the sum of its proper divisors (13298258224).

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

13031285744 is a wasteful number, since it uses less digits than its factorization.

13031285744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282 (or 1276 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

Adding to 13031285744 its reverse (44758213031), we get a palindrome (57789498775).

The spelling of 13031285744 in words is "thirteen billion, thirty-one million, two hundred eighty-five thousand, seven hundred forty-four".