85283031 has 4 divisors (see below), whose sum is σ = 113710712. Its totient is φ = 56855352.

The previous prime is 85282991. The next prime is 85283041. The reversal of 85283031 is 13038258.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 85283031 - 2⁷ = 85282903 is a prime.

It is a super-3 number, since 3×85283031³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85283031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85283041) 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 3 ways as a sum of consecutive naturals, for example, 14213836 + ... + 14213841.

It is an arithmetic number, because the mean of its divisors is an integer number (28427678).

Almost surely, 2^85283031 is an apocalyptic number.

85283031 is a deficient number, since it is larger than the sum of its proper divisors (28427681).

85283031 is a wasteful number, since it uses less digits than its factorization.

85283031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28427680.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 85283031 is about 9234.8812120135. The cubic root of 85283031 is about 440.1704418879.

The spelling of 85283031 in words is "eighty-five million, two hundred eighty-three thousand, thirty-one".