85801472031 has 32 divisors (see below), whose sum is σ = 131949619200. Its totient is φ = 49046899680.

The previous prime is 85801472017. The next prime is 85801472083. The reversal of 85801472031 is 13027410858.

It is not a de Polignac number, because 85801472031 - 2²⁷ = 85667254303 is a prime.

It is a super-2 number, since 2×85801472031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85801402031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159091 + ... + 443748.

It is an arithmetic number, because the mean of its divisors is an integer number (4123425600).

Almost surely, 2^85801472031 is an apocalyptic number.

85801472031 is a deficient number, since it is larger than the sum of its proper divisors (46148147169).

85801472031 is a wasteful number, since it uses less digits than its factorization.

85801472031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603099.

The product of its (nonzero) digits is 53760, while the sum is 39.

Adding to 85801472031 its reverse (13027410858), we get a palindrome (98828882889).

The spelling of 85801472031 in words is "eighty-five billion, eight hundred one million, four hundred seventy-two thousand, thirty-one".