320213001 has 8 divisors (see below), whose sum is σ = 434187360. Its totient is φ = 209856992.

The previous prime is 320212987. The next prime is 320213017. The reversal of 320213001 is 100312023.

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 320213001 - 2¹⁷ = 320081929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320213051) 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, 904380 + ... + 904733.

It is an arithmetic number, because the mean of its divisors is an integer number (54273420).

Almost surely, 2^320213001 is an apocalyptic number.

It is an amenable number.

320213001 is a deficient number, since it is larger than the sum of its proper divisors (113974359).

320213001 is a wasteful number, since it uses less digits than its factorization.

320213001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809175.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 320213001 is about 17894.4963885548. The cubic root of 320213001 is about 684.1421060887.

Adding to 320213001 its reverse (100312023), we get a palindrome (420525024).

The spelling of 320213001 in words is "three hundred twenty million, two hundred thirteen thousand, one".