13321320231332 has 6 divisors (see below), whose sum is σ = 23312310404838. Its totient is φ = 6660660115664.

The previous prime is 13321320231311. The next prime is 13321320231337. The reversal of 13321320231332 is 23313202312331.

13321320231332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8387128770916 + 4934191460416 = 2896054^2 + 2221304^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13321320231295 and 13321320231304.

It is not an unprimeable number, because it can be changed into a prime (13321320231337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1665165028913 + ... + 1665165028920.

It is an arithmetic number, because the mean of its divisors is an integer number (3885385067473).

Almost surely, 2^{13321320231332} is an apocalyptic number.

It is an amenable number.

13321320231332 is a deficient number, since it is larger than the sum of its proper divisors (9990990173506).

13321320231332 is a wasteful number, since it uses less digits than its factorization.

13321320231332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3330330057837 (or 3330330057835 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 13321320231332 its reverse (23313202312331), we get a palindrome (36634522543663).

The spelling of 13321320231332 in words is "thirteen trillion, three hundred twenty-one billion, three hundred twenty million, two hundred thirty-one thousand, three hundred thirty-two".