320002101 has 48 divisors (see below), whose sum is σ = 501935616. Its totient is φ = 195729408.

The previous prime is 320002093. The next prime is 320002129. The reversal of 320002101 is 101200023.

It is a happy number.

It is not a de Polignac number, because 320002101 - 2³ = 320002093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320002141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1434876 + ... + 1435098.

It is an arithmetic number, because the mean of its divisors is an integer number (10456992).

Almost surely, 2^320002101 is an apocalyptic number.

It is an amenable number.

320002101 is a deficient number, since it is larger than the sum of its proper divisors (181933515).

320002101 is a wasteful number, since it uses less digits than its factorization.

320002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 320002101 is about 17888.6025446372. The cubic root of 320002101 is about 683.9918756088.

Adding to 320002101 its reverse (101200023), we get a palindrome (421202124).

The spelling of 320002101 in words is "three hundred twenty million, two thousand, one hundred one".