5731271128 has 32 divisors (see below), whose sum is σ = 11771741520. Its totient is φ = 2594304000.

The previous prime is 5731271107. The next prime is 5731271137. The reversal of 5731271128 is 8211721375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113913 + ... + 156328.

Almost surely, 2^5731271128 is an apocalyptic number.

It is an amenable number.

5731271128 is an abundant number, since it is smaller than the sum of its proper divisors (6040470392).

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

5731271128 is a wasteful number, since it uses less digits than its factorization.

5731271128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270499 (or 270495 counting only the distinct ones).

The product of its digits is 23520, while the sum is 37.

The square root of 5731271128 is about 75705.1591901107. The cubic root of 5731271128 is about 1789.5767054595.

The spelling of 5731271128 in words is "five billion, seven hundred thirty-one million, two hundred seventy-one thousand, one hundred twenty-eight".