321321230 has 16 divisors (see below), whose sum is σ = 584342640. Its totient is φ = 127203072.

The previous prime is 321321211. The next prime is 321321271. The reversal of 321321230 is 32123123.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 321321199 and 321321208.

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, 164660 + ... + 166599.

It is an arithmetic number, because the mean of its divisors is an integer number (36521415).

Almost surely, 2^321321230 is an apocalyptic number.

321321230 is a deficient number, since it is larger than the sum of its proper divisors (263021410).

321321230 is a wasteful number, since it uses less digits than its factorization.

321321230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331363.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 321321230 is about 17925.4352806285. The cubic root of 321321230 is about 684.9304491872.

Adding to 321321230 its reverse (32123123), we get a palindrome (353444353).

The spelling of 321321230 in words is "three hundred twenty-one million, three hundred twenty-one thousand, two hundred thirty".