86317541127831 has 16 divisors (see below), whose sum is σ = 123949429569504. Its totient is φ = 53115789594624.

The previous prime is 86317541127817. The next prime is 86317541127833. The reversal of 86317541127831 is 13872114571368.

It is a happy number.

It is not a de Polignac number, because 86317541127831 - 2¹⁰ = 86317541126807 is a prime.

It is a super-2 number, since 2×86317541127831² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86317541127833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55414746 + ... + 56951111.

It is an arithmetic number, because the mean of its divisors is an integer number (7746839348094).

Almost surely, 2^{86317541127831} is an apocalyptic number.

86317541127831 is a deficient number, since it is larger than the sum of its proper divisors (37631888441673).

86317541127831 is a wasteful number, since it uses less digits than its factorization.

86317541127831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112385570.

The product of its digits is 6773760, while the sum is 57.

The spelling of 86317541127831 in words is "eighty-six trillion, three hundred seventeen billion, five hundred forty-one million, one hundred twenty-seven thousand, eight hundred thirty-one".