321314313 has 16 divisors (see below), whose sum is σ = 432449280. Its totient is φ = 212204544.

The previous prime is 321314299. The next prime is 321314317. The reversal of 321314313 is 313413123.

It is not a de Polignac number, because 321314313 - 2⁸ = 321314057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 321314313.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154720 + ... + 156782.

It is an arithmetic number, because the mean of its divisors is an integer number (27028080).

Almost surely, 2^321314313 is an apocalyptic number.

It is an amenable number.

321314313 is a deficient number, since it is larger than the sum of its proper divisors (111134967).

321314313 is a wasteful number, since it uses less digits than its factorization.

321314313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528.

The product of its digits is 648, while the sum is 21.

The square root of 321314313 is about 17925.2423414580. The cubic root of 321314313 is about 684.9255343777.

Adding to 321314313 its reverse (313413123), we get a palindrome (634727436).

The spelling of 321314313 in words is "three hundred twenty-one million, three hundred fourteen thousand, three hundred thirteen".