13231313312302 has 16 divisors (see below), whose sum is σ = 20145218208192. Its totient is φ = 6516905567200.

The previous prime is 13231313312179. The next prime is 13231313312303. The reversal of 13231313312302 is 20321331313231.

It is a happy number.

13231313312302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231313312303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166207798 + ... + 166287385.

It is an arithmetic number, because the mean of its divisors is an integer number (1259076138012).

Almost surely, 2^{13231313312302} is an apocalyptic number.

13231313312302 is a deficient number, since it is larger than the sum of its proper divisors (6913904895890).

13231313312302 is a wasteful number, since it uses less digits than its factorization.

13231313312302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332495483.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 13231313312302 its reverse (20321331313231), we get a palindrome (33552644625533).

The spelling of 13231313312302 in words is "thirteen trillion, two hundred thirty-one billion, three hundred thirteen million, three hundred twelve thousand, three hundred two".