231016431063132 has 144 divisors (see below), whose sum is σ = 686302271770752. Its totient is φ = 64596105383040.

The previous prime is 231016431063113. The next prime is 231016431063133. The reversal of 231016431063132 is 231360134610132.

231016431063132 is a `hidden beast` number, since 2 + 3 + 1 + 0 + 1 + 6 + 4 + 3 + 10 + 631 + 3 + 2 = 666.

It is a super-2 number, since 2×231016431063132² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231016431063133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5646943 + ... + 22224329.

It is an arithmetic number, because the mean of its divisors is an integer number (4765987998408).

Almost surely, 2^{231016431063132} is an apocalyptic number.

231016431063132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231016431063132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343151135885376).

231016431063132 is an abundant number, since it is smaller than the sum of its proper divisors (455285840707620).

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

231016431063132 is a wasteful number, since it uses less digits than its factorization.

231016431063132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16580128 (or 16580123 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

Adding to 231016431063132 its reverse (231360134610132), we get a palindrome (462376565673264).

The spelling of 231016431063132 in words is "two hundred thirty-one trillion, sixteen billion, four hundred thirty-one million, sixty-three thousand, one hundred thirty-two".