320043042101 has 8 divisors (see below), whose sum is σ = 331106875320. Its totient is φ = 308981066688.

The previous prime is 320043042097. The next prime is 320043042133. The reversal of 320043042101 is 101240340023.

It can be written as a sum of positive squares in 4 ways, for example, as 15129246001 + 304913796100 = 123001^2 + 552190^2 .

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 320043042101 - 2² = 320043042097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320043042181) 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, 109346 + ... + 807491.

It is an arithmetic number, because the mean of its divisors is an integer number (41388359415).

Almost surely, 2^320043042101 is an apocalyptic number.

It is an amenable number.

320043042101 is a deficient number, since it is larger than the sum of its proper divisors (11063833219).

320043042101 is a wasteful number, since it uses less digits than its factorization.

320043042101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928903.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 320043042101 its reverse (101240340023), we get a palindrome (421283382124).

The spelling of 320043042101 in words is "three hundred twenty billion, forty-three million, forty-two thousand, one hundred one".