320030331001 has 4 divisors (see below), whose sum is σ = 324414308212. Its totient is φ = 315646353792.

The previous prime is 320030330987. The next prime is 320030331073. The reversal of 320030331001 is 100133030023.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 267325191225 + 52705139776 = 517035^2 + 229576^2 .

It is a cyclic number.

It is not a de Polignac number, because 320030331001 - 2¹¹ = 320030328953 is a prime.

It is a super-4 number, since 4×320030331001⁴ (a number of 47 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320030731001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2191988496 + ... + 2191988641.

It is an arithmetic number, because the mean of its divisors is an integer number (81103577053).

Almost surely, 2^320030331001 is an apocalyptic number.

It is an amenable number.

320030331001 is a deficient number, since it is larger than the sum of its proper divisors (4383977211).

320030331001 is an equidigital number, since it uses as much as digits as its factorization.

320030331001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4383977210.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 320030331001 its reverse (100133030023), we get a palindrome (420163361024).

The spelling of 320030331001 in words is "three hundred twenty billion, thirty million, three hundred thirty-one thousand, one".