321312414 has 16 divisors (see below), whose sum is σ = 648865152. Its totient is φ = 106064088.

The previous prime is 321312389. The next prime is 321312487. The reversal of 321312414 is 414213123.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259344 + ... + 260579.

It is an arithmetic number, because the mean of its divisors is an integer number (40554072).

Almost surely, 2^321312414 is an apocalyptic number.

321312414 is an abundant number, since it is smaller than the sum of its proper divisors (327552738).

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

321312414 is a wasteful number, since it uses less digits than its factorization.

321312414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520031.

The product of its digits is 576, while the sum is 21.

The square root of 321312414 is about 17925.1893713846. The cubic root of 321312414 is about 684.9241850487.

Adding to 321312414 its reverse (414213123), we get a palindrome (735525537).

The spelling of 321312414 in words is "three hundred twenty-one million, three hundred twelve thousand, four hundred fourteen".