320871101 has 2 divisors, whose sum is σ = 320871102. Its totient is φ = 320871100.

The previous prime is 320871029. The next prime is 320871127. The reversal of 320871101 is 101178023.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250747225 + 70123876 = 15835^2 + 8374^2 .

It is a cyclic number.

It is not a de Polignac number, because 320871101 - 2¹⁸ = 320608957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320871301) 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 as a sum of consecutive naturals, namely, 160435550 + 160435551.

It is an arithmetic number, because the mean of its divisors is an integer number (160435551).

Almost surely, 2^320871101 is an apocalyptic number.

It is an amenable number.

320871101 is a deficient number, since it is larger than the sum of its proper divisors (1).

320871101 is an equidigital number, since it uses as much as digits as its factorization.

320871101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 320871101 is about 17912.8752856709. The cubic root of 320871101 is about 684.6104670764.

The spelling of 320871101 in words is "three hundred twenty million, eight hundred seventy-one thousand, one hundred one".