3123320020100 has 108 divisors (see below), whose sum is σ = 7889530037760. Its totient is φ = 1070122132800.

The previous prime is 3123320020057. The next prime is 3123320020111. The reversal of 3123320020100 is 10200233213.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6991241 + ... + 7424559.

Almost surely, 2^{3123320020100} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3123320020100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3944765018880).

3123320020100 is an abundant number, since it is smaller than the sum of its proper divisors (4766210017660).

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

3123320020100 is a wasteful number, since it uses less digits than its factorization.

3123320020100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434818 (or 434804 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 3123320020100 its reverse (10200233213), we get a palindrome (3133520253313).

The spelling of 3123320020100 in words is "three trillion, one hundred twenty-three billion, three hundred twenty million, twenty thousand, one hundred".