321314312 has 32 divisors (see below), whose sum is σ = 667055520. Its totient is φ = 143869440.

The previous prime is 321314299. The next prime is 321314317. The reversal of 321314312 is 213413123.

It is not an unprimeable number, because it can be changed into a prime (321314317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21353 + ... + 33144.

It is an arithmetic number, because the mean of its divisors is an integer number (20845485).

Almost surely, 2^321314312 is an apocalyptic number.

It is an amenable number.

321314312 is an abundant number, since it is smaller than the sum of its proper divisors (345741208).

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

321314312 is a wasteful number, since it uses less digits than its factorization.

321314312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54581 (or 54577 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 321314312 is about 17925.2423135644. The cubic root of 321314312 is about 684.9255336672.

Adding to 321314312 its reverse (213413123), we get a palindrome (534727435).

The spelling of 321314312 in words is "three hundred twenty-one million, three hundred fourteen thousand, three hundred twelve".