86317682121431 has 4 divisors (see below), whose sum is σ = 86323800919272. Its totient is φ = 86311563323592.

The previous prime is 86317682121403. The next prime is 86317682121469. The reversal of 86317682121431 is 13412128671368.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86317682121431 - 2²⁶ = 86317615012567 is a prime.

It is a super-2 number, since 2×86317682121431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86317682121131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3059377760 + ... + 3059405973.

It is an arithmetic number, because the mean of its divisors is an integer number (21580950229818).

Almost surely, 2^{86317682121431} is an apocalyptic number.

86317682121431 is a deficient number, since it is larger than the sum of its proper divisors (6118797841).

86317682121431 is a wasteful number, since it uses less digits than its factorization.

86317682121431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6118797840.

The product of its digits is 2322432, while the sum is 53.

The spelling of 86317682121431 in words is "eighty-six trillion, three hundred seventeen billion, six hundred eighty-two million, one hundred twenty-one thousand, four hundred thirty-one".