3128200002 has 48 divisors (see below), whose sum is σ = 6996225600. Its totient is φ = 1009410336.

The previous prime is 3128199979. The next prime is 3128200007. The reversal of 3128200002 is 2000028213.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (3128200007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120733 + ... + 144335.

It is an arithmetic number, because the mean of its divisors is an integer number (145754700).

Almost surely, 2^3128200002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3128200002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3498112800).

3128200002 is an abundant number, since it is smaller than the sum of its proper divisors (3868025598).

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

3128200002 is a wasteful number, since it uses less digits than its factorization.

3128200002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23847 (or 23844 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 3128200002 is about 55930.3138020877. The cubic root of 3128200002 is about 1462.5077315392.

Adding to 3128200002 its reverse (2000028213), we get a palindrome (5128228215).

The spelling of 3128200002 in words is "three billion, one hundred twenty-eight million, two hundred thousand, two".