320043101 has 16 divisors (see below), whose sum is σ = 390589440. Its totient is φ = 256314240.

The previous prime is 320043083. The next prime is 320043107. The reversal of 320043101 is 101340023.

It is a de Polignac number, because none of the positive numbers 2^k-320043101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320043107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19136 + ... + 31721.

It is an arithmetic number, because the mean of its divisors is an integer number (24411840).

Almost surely, 2^320043101 is an apocalyptic number.

320043101 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

320043101 is a deficient number, since it is larger than the sum of its proper divisors (70546339).

320043101 is a wasteful number, since it uses less digits than its factorization.

320043101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50924.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 320043101 is about 17889.7484890090. The cubic root of 320043101 is about 684.0210863226.

Adding to 320043101 its reverse (101340023), we get a palindrome (421383124).

The spelling of 320043101 in words is "three hundred twenty million, forty-three thousand, one hundred one".