842103161631 has 12 divisors (see below), whose sum is σ = 1216380093552. Its totient is φ = 561398018496.

The previous prime is 842103161617. The next prime is 842103161639. The reversal of 842103161631 is 136161301248.

842103161631 is a `hidden beast` number, since 8 + 4 + 2 + 1 + 0 + 3 + 1 + 616 + 31 = 666.

It is not a de Polignac number, because 842103161631 - 2³³ = 833513227039 is a prime.

It is a super-2 number, since 2×842103161631² (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 (842103161639) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1469710 + ... + 1960676.

It is an arithmetic number, because the mean of its divisors is an integer number (101365007796).

Almost surely, 2^842103161631 is an apocalyptic number.

842103161631 is a deficient number, since it is larger than the sum of its proper divisors (374276931921).

842103161631 is a wasteful number, since it uses less digits than its factorization.

842103161631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681550 (or 681547 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

Adding to 842103161631 its reverse (136161301248), we get a palindrome (978264462879).

The spelling of 842103161631 in words is "eight hundred forty-two billion, one hundred three million, one hundred sixty-one thousand, six hundred thirty-one".