3171457142856 has 48 divisors (see below), whose sum is σ = 8589911557500. Its totient is φ = 1057084877952.

The previous prime is 3171457142809. The next prime is 3171457142899. The reversal of 3171457142856 is 6582417541713.

3171457142856 is a `hidden beast` number, since 3 + 1 + 7 + 14 + 571 + 4 + 2 + 8 + 56 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1847875921956 + 1323581220900 = 1359366^2 + 1150470^2 .

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 11 ways as a sum of consecutive naturals, for example, 264511 + ... + 2532366.

Almost surely, 2^{3171457142856} is an apocalyptic number.

3171457142856 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3171457142856 is an abundant number, since it is smaller than the sum of its proper divisors (5418454414644).

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

3171457142856 is a wasteful number, since it uses less digits than its factorization.

3171457142856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2812638 (or 2812631 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 54.

The spelling of 3171457142856 in words is "three trillion, one hundred seventy-one billion, four hundred fifty-seven million, one hundred forty-two thousand, eight hundred fifty-six".