13321002320340 has 96 divisors (see below), whose sum is σ = 43819576891776. Its totient is φ = 2980923594240.

The previous prime is 13321002320281. The next prime is 13321002320341. The reversal of 13321002320340 is 4302320012331.

It is a self number, because there is not a number n which added to its sum of digits gives 13321002320340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321002320341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 776273607 + ... + 776290766.

It is an arithmetic number, because the mean of its divisors is an integer number (456453925956).

Almost surely, 2^{13321002320340} is an apocalyptic number.

13321002320340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13321002320340 is an abundant number, since it is smaller than the sum of its proper divisors (30498574571436).

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

13321002320340 is a wasteful number, since it uses less digits than its factorization.

13321002320340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552564409 (or 1552564407 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 13321002320340 its reverse (4302320012331), we get a palindrome (17623322332671).

The spelling of 13321002320340 in words is "thirteen trillion, three hundred twenty-one billion, two million, three hundred twenty thousand, three hundred forty".