13321230042340 has 48 divisors (see below), whose sum is σ = 31502169828864. Its totient is φ = 4687822886400.

The previous prime is 13321230042311. The next prime is 13321230042389. The reversal of 13321230042340 is 4324003212331.

It is a happy number.

13321230042340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13321230042299 and 13321230042308.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 976622949 + ... + 976636588.

It is an arithmetic number, because the mean of its divisors is an integer number (656295204768).

Almost surely, 2^{13321230042340} is an apocalyptic number.

13321230042340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13321230042340 is an abundant number, since it is smaller than the sum of its proper divisors (18180939786524).

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

13321230042340 is a wasteful number, since it uses less digits than its factorization.

13321230042340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953259588 (or 1953259586 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 13321230042340 its reverse (4324003212331), we get a palindrome (17645233254671).

The spelling of 13321230042340 in words is "thirteen trillion, three hundred twenty-one billion, two hundred thirty million, forty-two thousand, three hundred forty".