320341033421 has 2 divisors, whose sum is σ = 320341033422. Its totient is φ = 320341033420.

The previous prime is 320341033361. The next prime is 320341033471. The reversal of 320341033421 is 124330143023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 309703380100 + 10637653321 = 556510^2 + 103139^2 .

It is a cyclic number.

It is not a de Polignac number, because 320341033421 - 2¹⁴ = 320341017037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320341033471) 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, 160170516710 + 160170516711.

It is an arithmetic number, because the mean of its divisors is an integer number (160170516711).

Almost surely, 2^320341033421 is an apocalyptic number.

It is an amenable number.

320341033421 is a deficient number, since it is larger than the sum of its proper divisors (1).

320341033421 is an equidigital number, since it uses as much as digits as its factorization.

320341033421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 320341033421 its reverse (124330143023), we get a palindrome (444671176444).

The spelling of 320341033421 in words is "three hundred twenty billion, three hundred forty-one million, thirty-three thousand, four hundred twenty-one".