231220301324322 has 8 divisors (see below), whose sum is σ = 462440602648656. Its totient is φ = 77073433774772.

The previous prime is 231220301324279. The next prime is 231220301324381. The reversal of 231220301324322 is 223423103022132.

It is a sphenic number, since it is the product of 3 distinct primes.

231220301324322 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 231220301324322.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19268358443688 + ... + 19268358443699.

It is an arithmetic number, because the mean of its divisors is an integer number (57805075331082).

Almost surely, 2^{231220301324322} is an apocalyptic number.

231220301324322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

231220301324322 is a wasteful number, since it uses less digits than its factorization.

231220301324322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38536716887392.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 231220301324322 its reverse (223423103022132), we get a palindrome (454643404346454).

The spelling of 231220301324322 in words is "two hundred thirty-one trillion, two hundred twenty billion, three hundred one million, three hundred twenty-four thousand, three hundred twenty-two".