3175981428 has 12 divisors (see below), whose sum is σ = 7410623360. Its totient is φ = 1058660472.

The previous prime is 3175981399. The next prime is 3175981441. The reversal of 3175981428 is 8241895713.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 132332548 + ... + 132332571.

Almost surely, 2^3175981428 is an apocalyptic number.

It is an amenable number.

3175981428 is an abundant number, since it is smaller than the sum of its proper divisors (4234641932).

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

3175981428 is a wasteful number, since it uses less digits than its factorization.

3175981428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264665126 (or 264665124 counting only the distinct ones).

The product of its digits is 483840, while the sum is 48.

The square root of 3175981428 is about 56355.8464402763. The cubic root of 3175981428 is about 1469.9164541347.

The spelling of 3175981428 in words is "three billion, one hundred seventy-five million, nine hundred eighty-one thousand, four hundred twenty-eight".