86341631431 has 16 divisors (see below), whose sum is σ = 97265646720. Its totient is φ = 75963575520.

The previous prime is 86341631401. The next prime is 86341631437. The reversal of 86341631431 is 13413614368.

It is a cyclic number.

It is not a de Polignac number, because 86341631431 - 2¹¹ = 86341629383 is a prime.

It is a super-2 number, since 2×86341631431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86341631437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 785785 + ... + 888898.

It is an arithmetic number, because the mean of its divisors is an integer number (6079102920).

Almost surely, 2^86341631431 is an apocalyptic number.

86341631431 is a deficient number, since it is larger than the sum of its proper divisors (10924015289).

86341631431 is a wasteful number, since it uses less digits than its factorization.

86341631431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674846.

The product of its digits is 124416, while the sum is 40.

The spelling of 86341631431 in words is "eighty-six billion, three hundred forty-one million, six hundred thirty-one thousand, four hundred thirty-one".