85050031 has 16 divisors (see below), whose sum is σ = 100644768. Its totient is φ = 70988800.

The previous prime is 85049971. The next prime is 85050083. The reversal of 85050031 is 13005058.

It is a cyclic number.

It is not a de Polignac number, because 85050031 - 2¹¹ = 85047983 is a prime.

It is a super-2 number, since 2×85050031² = 14467015546201922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85049984 and 85050011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85050731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2121 + ... + 13213.

It is an arithmetic number, because the mean of its divisors is an integer number (6290298).

Almost surely, 2^85050031 is an apocalyptic number.

85050031 is a deficient number, since it is larger than the sum of its proper divisors (15594737).

85050031 is a wasteful number, since it uses less digits than its factorization.

85050031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11162.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 85050031 is about 9222.2573700803. The cubic root of 85050031 is about 439.7692160942.

Adding to 85050031 its reverse (13005058), we get a palindrome (98055089).

The spelling of 85050031 in words is "eighty-five million, fifty thousand, thirty-one".