13231320112302 has 16 divisors (see below), whose sum is σ = 26573362571520. Its totient is φ = 4391986312952.

The previous prime is 13231320112223. The next prime is 13231320112303. The reversal of 13231320112302 is 20321102313231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231320112303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4613429568 + ... + 4613432435.

It is an arithmetic number, because the mean of its divisors is an integer number (1660835160720).

Almost surely, 2^{13231320112302} is an apocalyptic number.

13231320112302 is an abundant number, since it is smaller than the sum of its proper divisors (13342042459218).

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

13231320112302 is a wasteful number, since it uses less digits than its factorization.

13231320112302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9226862247.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 13231320112302 its reverse (20321102313231), we get a palindrome (33552422425533).

The spelling of 13231320112302 in words is "thirteen trillion, two hundred thirty-one billion, three hundred twenty million, one hundred twelve thousand, three hundred two".