231106630222132 has 72 divisors (see below), whose sum is σ = 493634437470720. Its totient is φ = 94215941709120.

The previous prime is 231106630222037. The next prime is 231106630222147. The reversal of 231106630222132 is 231222036601132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140802532 + ... + 142434427.

It is an arithmetic number, because the mean of its divisors is an integer number (6856033853760).

Almost surely, 2^{231106630222132} is an apocalyptic number.

It is an amenable number.

231106630222132 is an abundant number, since it is smaller than the sum of its proper divisors (262527807248588).

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

231106630222132 is a wasteful number, since it uses less digits than its factorization.

231106630222132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283237181 (or 283237172 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

Adding to 231106630222132 its reverse (231222036601132), we get a palindrome (462328666823264).

The spelling of 231106630222132 in words is "two hundred thirty-one trillion, one hundred six billion, six hundred thirty million, two hundred twenty-two thousand, one hundred thirty-two".