321030401 has 8 divisors (see below), whose sum is σ = 324445824. Its totient is φ = 317625280.

The previous prime is 321030383. The next prime is 321030449. The reversal of 321030401 is 104030123.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321030401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (321030461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70916 + ... + 75306.

It is an arithmetic number, because the mean of its divisors is an integer number (40555728).

Almost surely, 2^321030401 is an apocalyptic number.

It is an amenable number.

321030401 is a deficient number, since it is larger than the sum of its proper divisors (3415423).

321030401 is a wasteful number, since it uses less digits than its factorization.

321030401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5151.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 321030401 is about 17917.3212562593. The cubic root of 321030401 is about 684.7237424740.

Adding to 321030401 its reverse (104030123), we get a palindrome (425060524).

The spelling of 321030401 in words is "three hundred twenty-one million, thirty thousand, four hundred one".