321223331142 has 48 divisors (see below), whose sum is σ = 802707528480. Its totient is φ = 90936089856.

The previous prime is 321223331141. The next prime is 321223331201. The reversal of 321223331142 is 241133322123.

321223331142 is a `hidden beast` number, since 3 + 212 + 2 + 333 + 114 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321223331141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11680723 + ... + 11708190.

It is an arithmetic number, because the mean of its divisors is an integer number (16723073510).

Almost surely, 2^321223331142 is an apocalyptic number.

321223331142 is an abundant number, since it is smaller than the sum of its proper divisors (481484197338).

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

321223331142 is a wasteful number, since it uses less digits than its factorization.

321223331142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23389037 (or 23389034 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 321223331142 its reverse (241133322123), we get a palindrome (562356653265).

The spelling of 321223331142 in words is "three hundred twenty-one billion, two hundred twenty-three million, three hundred thirty-one thousand, one hundred forty-two".