13431063243016 has 8 divisors (see below), whose sum is σ = 25183243580670. Its totient is φ = 6715531621504.

The previous prime is 13431063242977. The next prime is 13431063243023. The reversal of 13431063243016 is 61034236013431.

It can be written as a sum of positive squares in only one way, i.e., 7664293254916 + 5766769988100 = 2768446^2 + 2401410^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 839441452681 + ... + 839441452696.

Almost surely, 2^{13431063243016} is an apocalyptic number.

It is an amenable number.

13431063243016 is a deficient number, since it is larger than the sum of its proper divisors (11752180337654).

13431063243016 is a wasteful number, since it uses less digits than its factorization.

13431063243016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678882905383 (or 1678882905379 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 37.

Adding to 13431063243016 its reverse (61034236013431), we get a palindrome (74465299256447).

The spelling of 13431063243016 in words is "thirteen trillion, four hundred thirty-one billion, sixty-three million, two hundred forty-three thousand, sixteen".