13311121330320 has 80 divisors (see below), whose sum is σ = 45015792144192. Its totient is φ = 3226938503680.

The previous prime is 13311121330313. The next prime is 13311121330427. The reversal of 13311121330320 is 2303312111331.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2521043067 + ... + 2521048346.

Almost surely, 2^{13311121330320} is an apocalyptic number.

13311121330320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13311121330320 is an abundant number, since it is smaller than the sum of its proper divisors (31704670813872).

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

13311121330320 is a wasteful number, since it uses less digits than its factorization.

13311121330320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5042091440 (or 5042091434 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 13311121330320 its reverse (2303312111331), we get a palindrome (15614433441651).

The spelling of 13311121330320 in words is "thirteen trillion, three hundred eleven billion, one hundred twenty-one million, three hundred thirty thousand, three hundred twenty".