13321231024240 has 80 divisors (see below), whose sum is σ = 31022988776640. Its totient is φ = 5319702302720.

The previous prime is 13321231024219. The next prime is 13321231024247. The reversal of 13321231024240 is 4242013212331.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 13321231024199 and 13321231024208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321231024247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150103080 + ... + 150191800.

It is an arithmetic number, because the mean of its divisors is an integer number (387787359708).

Almost surely, 2^{13321231024240} is an apocalyptic number.

13321231024240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13321231024240 is an abundant number, since it is smaller than the sum of its proper divisors (17701757752400).

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

13321231024240 is a wasteful number, since it uses less digits than its factorization.

13321231024240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91810 (or 91804 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 13321231024240 its reverse (4242013212331), we get a palindrome (17563244236571).

The spelling of 13321231024240 in words is "thirteen trillion, three hundred twenty-one billion, two hundred thirty-one million, twenty-four thousand, two hundred forty".