13321230321320 has 32 divisors (see below), whose sum is σ = 30107175275520. Its totient is φ = 5304597541440.

The previous prime is 13321230321317. The next prime is 13321230321337. The reversal of 13321230321320 is 2312303212331.

It is a self number, because there is not a number n which added to its sum of digits gives 13321230321320.

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, 746696816 + ... + 746714655.

It is an arithmetic number, because the mean of its divisors is an integer number (940849227360).

Almost surely, 2^{13321230321320} is an apocalyptic number.

13321230321320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13321230321320 is an abundant number, since it is smaller than the sum of its proper divisors (16785944954200).

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

13321230321320 is a wasteful number, since it uses less digits than its factorization.

13321230321320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493411705 (or 1493411701 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 13321230321320 its reverse (2312303212331), we get a palindrome (15633533533651).

The spelling of 13321230321320 in words is "thirteen trillion, three hundred twenty-one billion, two hundred thirty million, three hundred twenty-one thousand, three hundred twenty".