201430321 has 8 divisors (see below), whose sum is σ = 203403200. Its totient is φ = 199465200.

The previous prime is 201430309. The next prime is 201430349. The reversal of 201430321 is 123034102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 201430321 - 2⁷ = 201430193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201430295 and 201430304.

It is not an unprimeable number, because it can be changed into a prime (201430921) 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, 59371 + ... + 62671.

It is an arithmetic number, because the mean of its divisors is an integer number (25425400).

Almost surely, 2^201430321 is an apocalyptic number.

It is an amenable number.

201430321 is a deficient number, since it is larger than the sum of its proper divisors (1972879).

201430321 is a wasteful number, since it uses less digits than its factorization.

201430321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3879.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 201430321 is about 14192.6150162681. The cubic root of 201430321 is about 586.1943321043.

Adding to 201430321 its reverse (123034102), we get a palindrome (324464423).

It can be divided in two parts, 20 and 1430321, that added together give a palindrome (1430341).

The spelling of 201430321 in words is "two hundred one million, four hundred thirty thousand, three hundred twenty-one".