321233230311222 has 32 divisors (see below), whose sum is σ = 646721011658880. Its totient is φ = 106369883733440.

The previous prime is 321233230311139. The next prime is 321233230311251. The reversal of 321233230311222 is 222113032332123.

It is a self number, because there is not a number n which added to its sum of digits gives 321233230311222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152973543 + ... + 155059250.

It is an arithmetic number, because the mean of its divisors is an integer number (20210031614340).

Almost surely, 2^{321233230311222} is an apocalyptic number.

321233230311222 is an abundant number, since it is smaller than the sum of its proper divisors (325487781347658).

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

321233230311222 is a wasteful number, since it uses less digits than its factorization.

321233230311222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308033948.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 321233230311222 its reverse (222113032332123), we get a palindrome (543346262643345).

The spelling of 321233230311222 in words is "three hundred twenty-one trillion, two hundred thirty-three billion, two hundred thirty million, three hundred eleven thousand, two hundred twenty-two".