853122050031 has 4 divisors (see below), whose sum is σ = 1137496066712. Its totient is φ = 568748033352.

The previous prime is 853122050021. The next prime is 853122050093. The reversal of 853122050031 is 130050221358.

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

It is not a de Polignac number, because 853122050031 - 2¹¹ = 853122047983 is a prime.

It is a super-2 number, since 2×853122050031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853122050021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142187008336 + ... + 142187008341.

It is an arithmetic number, because the mean of its divisors is an integer number (284374016678).

Almost surely, 2^853122050031 is an apocalyptic number.

853122050031 is a deficient number, since it is larger than the sum of its proper divisors (284374016681).

853122050031 is a wasteful number, since it uses less digits than its factorization.

853122050031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284374016680.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 853122050031 its reverse (130050221358), we get a palindrome (983172271389).

The spelling of 853122050031 in words is "eight hundred fifty-three billion, one hundred twenty-two million, fifty thousand, thirty-one".