3101232120 has 128 divisors (see below), whose sum is σ = 10652221440. Its totient is φ = 707558400.

The previous prime is 3101232109. The next prime is 3101232151. The reversal of 3101232120 is 212321013.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 3101232120.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 501769 + ... + 507911.

It is an arithmetic number, because the mean of its divisors is an integer number (83220480).

Almost surely, 2^3101232120 is an apocalyptic number.

3101232120 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 3101232120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5326110720).

3101232120 is an abundant number, since it is smaller than the sum of its proper divisors (7550989320).

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

3101232120 is a wasteful number, since it uses less digits than its factorization.

3101232120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6765 (or 6761 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3101232120 is about 55688.7072933104. The cubic root of 3101232120 is about 1458.2928880720.

Adding to 3101232120 its reverse (212321013), we get a palindrome (3313553133).

The spelling of 3101232120 in words is "three billion, one hundred one million, two hundred thirty-two thousand, one hundred twenty".