3128375130 has 128 divisors (see below), whose sum is σ = 8106835968. Its totient is φ = 770660352.

The previous prime is 3128375119. The next prime is 3128375143. The reversal of 3128375130 is 315738213.

It is a junction number, because it is equal to n+sod(n) for n = 3128375091 and 3128375100.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2877447 + ... + 2878533.

It is an arithmetic number, because the mean of its divisors is an integer number (63334656).

Almost surely, 2^3128375130 is an apocalyptic number.

3128375130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3128375130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4053417984).

3128375130 is an abundant number, since it is smaller than the sum of its proper divisors (4978460838).

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

3128375130 is a wasteful number, since it uses less digits than its factorization.

3128375130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 3128375130 is about 55931.8793712495. The cubic root of 3128375130 is about 1462.5350231952.

The spelling of 3128375130 in words is "three billion, one hundred twenty-eight million, three hundred seventy-five thousand, one hundred thirty".