13231104615663 has 32 divisors (see below), whose sum is σ = 20371869239040. Its totient is φ = 7562284746240.

The previous prime is 13231104615629. The next prime is 13231104615671. The reversal of 13231104615663 is 36651640113231.

It is not a de Polignac number, because 13231104615663 - 2¹⁶ = 13231104550127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231104615623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160721706 + ... + 160804007.

It is an arithmetic number, because the mean of its divisors is an integer number (636620913720).

Almost surely, 2^{13231104615663} is an apocalyptic number.

13231104615663 is a deficient number, since it is larger than the sum of its proper divisors (7140764623377).

13231104615663 is a wasteful number, since it uses less digits than its factorization.

13231104615663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321525799.

The product of its (nonzero) digits is 233280, while the sum is 42.

Adding to 13231104615663 its reverse (36651640113231), we get a palindrome (49882744728894).

The spelling of 13231104615663 in words is "thirteen trillion, two hundred thirty-one billion, one hundred four million, six hundred fifteen thousand, six hundred sixty-three".