320002141 has 2 divisors, whose sum is σ = 320002142. Its totient is φ = 320002140.

The previous prime is 320002139. The next prime is 320002201. The reversal of 320002141 is 141200023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 271755225 + 48246916 = 16485^2 + 6946^2 .

It is a cyclic number.

It is not a de Polignac number, because 320002141 - 2¹ = 320002139 is a prime.

Together with 320002139, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320012141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160001070 + 160001071.

It is an arithmetic number, because the mean of its divisors is an integer number (160001071).

Almost surely, 2^320002141 is an apocalyptic number.

It is an amenable number.

320002141 is a deficient number, since it is larger than the sum of its proper divisors (1).

320002141 is an equidigital number, since it uses as much as digits as its factorization.

320002141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 320002141 is about 17888.6036626675. The cubic root of 320002141 is about 683.9919041083.

Adding to 320002141 its reverse (141200023), we get a palindrome (461202164).

The spelling of 320002141 in words is "three hundred twenty million, two thousand, one hundred forty-one".