320102243 has 2 divisors, whose sum is σ = 320102244. Its totient is φ = 320102242.

The previous prime is 320102227. The next prime is 320102257. The reversal of 320102243 is 342201023.

It is a strong prime.

It is an emirp because it is prime and its reverse (342201023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320102243 - 2⁴ = 320102227 is a prime.

It is not a weakly prime, because it can be changed into another prime (320104243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160051121 + 160051122.

It is an arithmetic number, because the mean of its divisors is an integer number (160051122).

Almost surely, 2^320102243 is an apocalyptic number.

320102243 is a deficient number, since it is larger than the sum of its proper divisors (1).

320102243 is an equidigital number, since it uses as much as digits as its factorization.

320102243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 320102243 is about 17891.4013704908. The cubic root of 320102243 is about 684.0632180264.

Adding to 320102243 its reverse (342201023), we get a palindrome (662303266).

The spelling of 320102243 in words is "three hundred twenty million, one hundred two thousand, two hundred forty-three".