320134210243 has 2 divisors, whose sum is σ = 320134210244. Its totient is φ = 320134210242.

The previous prime is 320134210223. The next prime is 320134210301. The reversal of 320134210243 is 342012431023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320134210243 - 2²⁹ = 319597339331 is a prime.

It is a super-2 number, since 2×320134210243² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (320134210223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160067105121 + 160067105122.

It is an arithmetic number, because the mean of its divisors is an integer number (160067105122).

Almost surely, 2^320134210243 is an apocalyptic number.

320134210243 is a deficient number, since it is larger than the sum of its proper divisors (1).

320134210243 is an equidigital number, since it uses as much as digits as its factorization.

320134210243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 320134210243 its reverse (342012431023), we get a palindrome (662146641266).

The spelling of 320134210243 in words is "three hundred twenty billion, one hundred thirty-four million, two hundred ten thousand, two hundred forty-three".