86271030531 has 48 divisors (see below), whose sum is σ = 148853612544. Its totient is φ = 48909438144.

The previous prime is 86271030497. The next prime is 86271030577. The reversal of 86271030531 is 13503017268.

86271030531 is a `hidden beast` number, since 86 + 2 + 7 + 10 + 30 + 531 = 666.

It is not a de Polignac number, because 86271030531 - 2⁷ = 86271030403 is a prime.

It is a super-2 number, since 2×86271030531² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86271030331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16351 + ... + 415703.

It is an arithmetic number, because the mean of its divisors is an integer number (3101116928).

Almost surely, 2^86271030531 is an apocalyptic number.

86271030531 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

86271030531 is a deficient number, since it is larger than the sum of its proper divisors (62582582013).

86271030531 is a wasteful number, since it uses less digits than its factorization.

86271030531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399502 (or 399490 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

Adding to 86271030531 its reverse (13503017268), we get a palindrome (99774047799).

The spelling of 86271030531 in words is "eighty-six billion, two hundred seventy-one million, thirty thousand, five hundred thirty-one".