842191169031 has 6 divisors (see below), whose sum is σ = 1216498355280. Its totient is φ = 561460779348.

The previous prime is 842191169023. The next prime is 842191169041. The reversal of 842191169031 is 130961191248.

It is not a de Polignac number, because 842191169031 - 2³ = 842191169023 is a prime.

It is a super-2 number, since 2×842191169031² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842191169041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46788398271 + ... + 46788398288.

It is an arithmetic number, because the mean of its divisors is an integer number (202749725880).

Almost surely, 2^842191169031 is an apocalyptic number.

842191169031 is a deficient number, since it is larger than the sum of its proper divisors (374307186249).

842191169031 is a wasteful number, since it uses less digits than its factorization.

842191169031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93576796565 (or 93576796562 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The spelling of 842191169031 in words is "eight hundred forty-two billion, one hundred ninety-one million, one hundred sixty-nine thousand, thirty-one".