231286536846 has 24 divisors (see below), whose sum is σ = 509614405560. Its totient is φ = 75788808336.

The previous prime is 231286536829. The next prime is 231286536857. The reversal of 231286536846 is 648635682132.

231286536846 is a `hidden beast` number, since 2 + 3 + 1 + 28 + 6 + 536 + 84 + 6 = 666.

It is a super-2 number, since 2×231286536846² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231286536792 and 231286536801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108890905 + ... + 108893028.

It is an arithmetic number, because the mean of its divisors is an integer number (21233933565).

Almost surely, 2^231286536846 is an apocalyptic number.

231286536846 is an abundant number, since it is smaller than the sum of its proper divisors (278327868714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231286536846 is a wasteful number, since it uses less digits than its factorization.

231286536846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217784000 (or 217783997 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 54.

The spelling of 231286536846 in words is "two hundred thirty-one billion, two hundred eighty-six million, five hundred thirty-six thousand, eight hundred forty-six".