85336131 has 16 divisors (see below), whose sum is σ = 115678080. Its totient is φ = 55950720.

The previous prime is 85336127. The next prime is 85336169. The reversal of 85336131 is 13163358.

It is not a de Polignac number, because 85336131 - 2² = 85336127 is a prime.

It is a super-2 number, since 2×85336131² = 14564510508098322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85336231) 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, 46216 + ... + 48026.

It is an arithmetic number, because the mean of its divisors is an integer number (7229880).

Almost surely, 2^85336131 is an apocalyptic number.

85336131 is a deficient number, since it is larger than the sum of its proper divisors (30341949).

85336131 is a wasteful number, since it uses less digits than its factorization.

85336131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066.

The product of its digits is 6480, while the sum is 30.

The square root of 85336131 is about 9237.7557339432. The cubic root of 85336131 is about 440.2617777645.

Adding to 85336131 its reverse (13163358), we get a palindrome (98499489).

The spelling of 85336131 in words is "eighty-five million, three hundred thirty-six thousand, one hundred thirty-one".