320334121 has 2 divisors, whose sum is σ = 320334122. Its totient is φ = 320334120.

The previous prime is 320334103. The next prime is 320334127. The reversal of 320334121 is 121433023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 261274896 + 59059225 = 16164^2 + 7685^2 .

It is a cyclic number.

It is not a de Polignac number, because 320334121 - 2⁵ = 320334089 is a prime.

It is a super-2 number, since 2×320334121² = 205227898153685282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (320334127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160167060 + 160167061.

It is an arithmetic number, because the mean of its divisors is an integer number (160167061).

Almost surely, 2^320334121 is an apocalyptic number.

It is an amenable number.

320334121 is a deficient number, since it is larger than the sum of its proper divisors (1).

320334121 is an equidigital number, since it uses as much as digits as its factorization.

320334121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 320334121 is about 17897.8803493598. The cubic root of 320334121 is about 684.2283537283.

Adding to 320334121 its reverse (121433023), we get a palindrome (441767144).

The spelling of 320334121 in words is "three hundred twenty million, three hundred thirty-four thousand, one hundred twenty-one".