320221302047 has 2 divisors, whose sum is σ = 320221302048. Its totient is φ = 320221302046.

The previous prime is 320221302031. The next prime is 320221302053. The reversal of 320221302047 is 740203122023.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320221302047 - 2⁴ = 320221302031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320221302007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160110651023 + 160110651024.

It is an arithmetic number, because the mean of its divisors is an integer number (160110651024).

Almost surely, 2^320221302047 is an apocalyptic number.

320221302047 is a deficient number, since it is larger than the sum of its proper divisors (1).

320221302047 is an equidigital number, since it uses as much as digits as its factorization.

320221302047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 26.

The spelling of 320221302047 in words is "three hundred twenty billion, two hundred twenty-one million, three hundred two thousand, forty-seven".