320330141 has 2 divisors, whose sum is σ = 320330142. Its totient is φ = 320330140.

The previous prime is 320330119. The next prime is 320330159. The reversal of 320330141 is 141033023.

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., 261501241 + 58828900 = 16171^2 + 7670^2 .

It is a cyclic number.

It is not a de Polignac number, because 320330141 - 2¹⁴ = 320313757 is a prime.

It is a super-2 number, since 2×320330141² = 205222798466159762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320330441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160165070 + 160165071.

It is an arithmetic number, because the mean of its divisors is an integer number (160165071).

Almost surely, 2^320330141 is an apocalyptic number.

It is an amenable number.

320330141 is a deficient number, since it is larger than the sum of its proper divisors (1).

320330141 is an equidigital number, since it uses as much as digits as its factorization.

320330141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 320330141 is about 17897.7691626638. The cubic root of 320330141 is about 684.2255199786.

Adding to 320330141 its reverse (141033023), we get a palindrome (461363164).

The spelling of 320330141 in words is "three hundred twenty million, three hundred thirty thousand, one hundred forty-one".