85182441831 has 8 divisors (see below), whose sum is σ = 126196210160. Its totient is φ = 56788294536.

The previous prime is 85182441829. The next prime is 85182441833. The reversal of 85182441831 is 13814428158.

85182441831 is a `hidden beast` number, since 8 + 51 + 82 + 441 + 83 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (85182441829) and next prime (85182441833).

It is not a de Polignac number, because 85182441831 - 2¹ = 85182441829 is a prime.

It is a super-2 number, since 2×85182441831² (a number of 23 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 (85182441833) 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, 1577452600 + ... + 1577452653.

It is an arithmetic number, because the mean of its divisors is an integer number (15774526270).

Almost surely, 2^85182441831 is an apocalyptic number.

85182441831 is a deficient number, since it is larger than the sum of its proper divisors (41013768329).

85182441831 is a wasteful number, since it uses less digits than its factorization.

85182441831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154905262 (or 3154905256 counting only the distinct ones).

The product of its digits is 245760, while the sum is 45.

Adding to 85182441831 its reverse (13814428158), we get a palindrome (98996869989).

The spelling of 85182441831 in words is "eighty-five billion, one hundred eighty-two million, four hundred forty-one thousand, eight hundred thirty-one".