3113221320000 has 420 divisors, whose sum is σ = 12164512684896. Its totient is φ = 754719360000.

The previous prime is 3113221319969. The next prime is 3113221320007. The reversal of 3113221320000 is 231223113.

3113221320000 is a `hidden beast` number, since 311 + 32 + 2 + 1 + 320 + 0 + 0 + 0 = 666.

3113221320000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113221320007) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3566917 + ... + 4353083.

Almost surely, 2^{3113221320000} is an apocalyptic number.

3113221320000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3113221320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6082256342448).

3113221320000 is an abundant number, since it is smaller than the sum of its proper divisors (9051291364896).

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

3113221320000 is a wasteful number, since it uses less digits than its factorization.

3113221320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786216 (or 786188 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 3113221320000 its reverse (231223113), we get a palindrome (3113452543113).

The spelling of 3113221320000 in words is "three trillion, one hundred thirteen billion, two hundred twenty-one million, three hundred twenty thousand".