13311000331220 has 24 divisors (see below), whose sum is σ = 27954878751744. Its totient is φ = 5324061455136.

The previous prime is 13311000331199. The next prime is 13311000331231. The reversal of 13311000331220 is 2213300011331.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 13311000331192 and 13311000331201.

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, 20844932 + ... + 21474011.

It is an arithmetic number, because the mean of its divisors is an integer number (1164786614656).

Almost surely, 2^{13311000331220} is an apocalyptic number.

13311000331220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13311000331220 is an abundant number, since it is smaller than the sum of its proper divisors (14643878420524).

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

13311000331220 is a wasteful number, since it uses less digits than its factorization.

13311000331220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42334679 (or 42334677 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13311000331220 its reverse (2213300011331), we get a palindrome (15524300342551).

The spelling of 13311000331220 in words is "thirteen trillion, three hundred eleven billion, three hundred thirty-one thousand, two hundred twenty".