3111300120 has 128 divisors (see below), whose sum is σ = 9793658880. Its totient is φ = 789696000.

The previous prime is 3111300109. The next prime is 3111300139. The reversal of 3111300120 is 210031113.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 3111300096 and 3111300105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220065 + ... + 233775.

It is an arithmetic number, because the mean of its divisors is an integer number (76512960).

Almost surely, 2^3111300120 is an apocalyptic number.

3111300120 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 3111300120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4896829440).

3111300120 is an abundant number, since it is smaller than the sum of its proper divisors (6682358760).

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

3111300120 is a wasteful number, since it uses less digits than its factorization.

3111300120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13817 (or 13813 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 3111300120 is about 55779.0293927745. The cubic root of 3111300120 is about 1459.8692758418.

Adding to 3111300120 its reverse (210031113), we get a palindrome (3321331233).

The spelling of 3111300120 in words is "three billion, one hundred eleven million, three hundred thousand, one hundred twenty".