231313210132 has 12 divisors (see below), whose sum is σ = 404813326176. Its totient is φ = 115652259800.

The previous prime is 231313210129. The next prime is 231313210153. The reversal of 231313210132 is 231012313132.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 965038 + ... + 1180645.

It is an arithmetic number, because the mean of its divisors is an integer number (33734443848).

Almost surely, 2^231313210132 is an apocalyptic number.

It is an amenable number.

231313210132 is a deficient number, since it is larger than the sum of its proper divisors (173500116044).

231313210132 is a wasteful number, since it uses less digits than its factorization.

231313210132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172638 (or 2172636 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 231313210132 its reverse (231012313132), we get a palindrome (462325523264).

The spelling of 231313210132 in words is "two hundred thirty-one billion, three hundred thirteen million, two hundred ten thousand, one hundred thirty-two".