85322031 has 16 divisors (see below), whose sum is σ = 124610400. Its totient is φ = 51688448.

The previous prime is 85322023. The next prime is 85322033. The reversal of 85322031 is 13022358.

It is a cyclic number.

It is not a de Polignac number, because 85322031 - 2³ = 85322023 is a prime.

It is a super-2 number, since 2×85322031² = 14559697947929922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85321992 and 85322010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85322033) 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, 27366 + ... + 30323.

It is an arithmetic number, because the mean of its divisors is an integer number (7788150).

Almost surely, 2^85322031 is an apocalyptic number.

85322031 is a deficient number, since it is larger than the sum of its proper divisors (39288369).

85322031 is a wasteful number, since it uses less digits than its factorization.

85322031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57738.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 85322031 is about 9236.9925300392. The cubic root of 85322031 is about 440.2375284307.

Adding to 85322031 its reverse (13022358), we get a palindrome (98344389).

The spelling of 85322031 in words is "eighty-five million, three hundred twenty-two thousand, thirty-one".