3171439159987 has 32 divisors (see below), whose sum is σ = 3725793792000. Its totient is φ = 2698365003264.

The previous prime is 3171439159943. The next prime is 3171439160033. The reversal of 3171439159987 is 7899519341713.

It is not a de Polignac number, because 3171439159987 - 2²⁷ = 3171304942259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3171439159927) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26481939 + ... + 26601427.

It is an arithmetic number, because the mean of its divisors is an integer number (116431056000).

Almost surely, 2^{3171439159987} is an apocalyptic number.

3171439159987 is a deficient number, since it is larger than the sum of its proper divisors (554354632013).

3171439159987 is a wasteful number, since it uses less digits than its factorization.

3171439159987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120080 (or 120066 counting only the distinct ones).

The product of its digits is 51438240, while the sum is 67.

The spelling of 3171439159987 in words is "three trillion, one hundred seventy-one billion, four hundred thirty-nine million, one hundred fifty-nine thousand, nine hundred eighty-seven".