13321011432340 has 24 divisors (see below), whose sum is σ = 29446446324960. Its totient is φ = 5047962226848.

The previous prime is 13321011432317. The next prime is 13321011432353. The reversal of 13321011432340 is 4323411012331.

It is a junction number, because it is equal to n+sod(n) for n = 13321011432299 and 13321011432308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17527646242 + ... + 17527647001.

It is an arithmetic number, because the mean of its divisors is an integer number (1226935263540).

Almost surely, 2^{13321011432340} is an apocalyptic number.

13321011432340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13321011432340 is an abundant number, since it is smaller than the sum of its proper divisors (16125434892620).

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

13321011432340 is a wasteful number, since it uses less digits than its factorization.

13321011432340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35055293271 (or 35055293269 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 13321011432340 its reverse (4323411012331), we get a palindrome (17644422444671).

The spelling of 13321011432340 in words is "thirteen trillion, three hundred twenty-one billion, eleven million, four hundred thirty-two thousand, three hundred forty".