3163128125 has 12 divisors (see below), whose sum is σ = 3953661012. Its totient is φ = 2530500000.

The previous prime is 3163128079. The next prime is 3163128131. The reversal of 3163128125 is 5218213613.

It can be written as a sum of positive squares in 6 ways, for example, as 2383490041 + 779638084 = 48821^2 + 27922^2 .

It is not a de Polignac number, because 3163128125 - 2¹⁶ = 3163062589 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3163128091 and 3163128100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 502976 + ... + 509225.

It is an arithmetic number, because the mean of its divisors is an integer number (329471751).

Almost surely, 2^3163128125 is an apocalyptic number.

It is an amenable number.

3163128125 is a deficient number, since it is larger than the sum of its proper divisors (790532887).

3163128125 is an frugal number, since it uses more digits than its factorization.

3163128125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012226 (or 1012206 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 3163128125 is about 56241.6938311783. The cubic root of 3163128125 is about 1467.9308394300.

The spelling of 3163128125 in words is "three billion, one hundred sixty-three million, one hundred twenty-eight thousand, one hundred twenty-five".