331434244243 has 2 divisors, whose sum is σ = 331434244244. Its totient is φ = 331434244242.

The previous prime is 331434244241. The next prime is 331434244313. The reversal of 331434244243 is 342442434133.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 331434244243 - 2¹ = 331434244241 is a prime.

Together with 331434244241, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (331434244241) 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, 165717122121 + 165717122122.

It is an arithmetic number, because the mean of its divisors is an integer number (165717122122).

Almost surely, 2^331434244243 is an apocalyptic number.

331434244243 is a deficient number, since it is larger than the sum of its proper divisors (1).

331434244243 is an equidigital number, since it uses as much as digits as its factorization.

331434244243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 37.

Adding to 331434244243 its reverse (342442434133), we get a palindrome (673876678376).

The spelling of 331434244243 in words is "three hundred thirty-one billion, four hundred thirty-four million, two hundred forty-four thousand, two hundred forty-three".