320213331941 has 2 divisors, whose sum is σ = 320213331942. Its totient is φ = 320213331940.

The previous prime is 320213331937. The next prime is 320213331943. The reversal of 320213331941 is 149133312023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 265375401316 + 54837930625 = 515146^2 + 234175^2 .

It is an emirp because it is prime and its reverse (149133312023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320213331941 - 2² = 320213331937 is a prime.

Together with 320213331943, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 320213331898 and 320213331907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320213331943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160106665970 + 160106665971.

It is an arithmetic number, because the mean of its divisors is an integer number (160106665971).

Almost surely, 2^320213331941 is an apocalyptic number.

It is an amenable number.

320213331941 is a deficient number, since it is larger than the sum of its proper divisors (1).

320213331941 is an equidigital number, since it uses as much as digits as its factorization.

320213331941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 32.

Adding to 320213331941 its reverse (149133312023), we get a palindrome (469346643964).

The spelling of 320213331941 in words is "three hundred twenty billion, two hundred thirteen million, three hundred thirty-one thousand, nine hundred forty-one".