321404223014312 has 16 divisors (see below), whose sum is σ = 622072689705600. Its totient is φ = 155518172426160.

The previous prime is 321404223014257. The next prime is 321404223014321. The reversal of 321404223014312 is 213410322404123.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647992384862 + ... + 647992385357.

It is an arithmetic number, because the mean of its divisors is an integer number (38879543106600).

Almost surely, 2^{321404223014312} is an apocalyptic number.

It is an amenable number.

321404223014312 is a deficient number, since it is larger than the sum of its proper divisors (300668466691288).

321404223014312 is a wasteful number, since it uses less digits than its factorization.

321404223014312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295984770256 (or 1295984770252 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 321404223014312 its reverse (213410322404123), we get a palindrome (534814545418435).

The spelling of 321404223014312 in words is "three hundred twenty-one trillion, four hundred four billion, two hundred twenty-three million, fourteen thousand, three hundred twelve".