5171868735231 has 8 divisors (see below), whose sum is σ = 7522718160384. Its totient is φ = 3134465900120.

The previous prime is 5171868735227. The next prime is 5171868735349. The reversal of 5171868735231 is 1325378681715.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5171868735231 - 2² = 5171868735227 is a prime.

It is a super-2 number, since 2×5171868735231² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5171868635231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78361647471 + ... + 78361647536.

It is an arithmetic number, because the mean of its divisors is an integer number (940339770048).

Almost surely, 2^{5171868735231} is an apocalyptic number.

5171868735231 is a deficient number, since it is larger than the sum of its proper divisors (2350849425153).

5171868735231 is a wasteful number, since it uses less digits than its factorization.

5171868735231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156723295021.

The product of its digits is 8467200, while the sum is 57.

The spelling of 5171868735231 in words is "five trillion, one hundred seventy-one billion, eight hundred sixty-eight million, seven hundred thirty-five thousand, two hundred thirty-one".