321231312230 has 48 divisors (see below), whose sum is σ = 611420930064. Its totient is φ = 121496293440.

The previous prime is 321231312223. The next prime is 321231312253. The reversal of 321231312230 is 32213132123.

It is a junction number, because it is equal to n+sod(n) for n = 321231312196 and 321231312205.

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, 1802960 + ... + 1973100.

It is an arithmetic number, because the mean of its divisors is an integer number (12737936043).

Almost surely, 2^321231312230 is an apocalyptic number.

321231312230 is a deficient number, since it is larger than the sum of its proper divisors (290189617834).

321231312230 is a wasteful number, since it uses less digits than its factorization.

321231312230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170709 (or 170690 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 321231312230 its reverse (32213132123), we get a palindrome (353444444353).

The spelling of 321231312230 in words is "three hundred twenty-one billion, two hundred thirty-one million, three hundred twelve thousand, two hundred thirty".