321320234 has 8 divisors (see below), whose sum is σ = 482387940. Its totient is φ = 160524256.

The previous prime is 321320221. The next prime is 321320269. The reversal of 321320234 is 432023123.

It can be written as a sum of positive squares in 2 ways, for example, as 294019609 + 27300625 = 17147^2 + 5225^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64949 + ... + 69720.

Almost surely, 2^321320234 is an apocalyptic number.

321320234 is a deficient number, since it is larger than the sum of its proper divisors (161067706).

321320234 is a wasteful number, since it uses less digits than its factorization.

321320234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135864.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 321320234 is about 17925.4074988548. The cubic root of 321320234 is about 684.9297414931.

Adding to 321320234 its reverse (432023123), we get a palindrome (753343357).

The spelling of 321320234 in words is "three hundred twenty-one million, three hundred twenty thousand, two hundred thirty-four".