13321023213340 has 48 divisors (see below), whose sum is σ = 28512653494752. Its totient is φ = 5226809204736.

The previous prime is 13321023213301. The next prime is 13321023213473. The reversal of 13321023213340 is 4331232012331.

It is a junction number, because it is equal to n+sod(n) for n = 13321023213299 and 13321023213308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30163554 + ... + 30601993.

It is an arithmetic number, because the mean of its divisors is an integer number (594013614474).

Almost surely, 2^{13321023213340} is an apocalyptic number.

13321023213340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13321023213340 is an abundant number, since it is smaller than the sum of its proper divisors (15191630281412).

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

13321023213340 is a wasteful number, since it uses less digits than its factorization.

13321023213340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60765766 (or 60765764 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 13321023213340 its reverse (4331232012331), we get a palindrome (17652255225671).

The spelling of 13321023213340 in words is "thirteen trillion, three hundred twenty-one billion, twenty-three million, two hundred thirteen thousand, three hundred forty".