321313070233 has 2 divisors, whose sum is σ = 321313070234. Its totient is φ = 321313070232.

The previous prime is 321313070231. The next prime is 321313070257. The reversal of 321313070233 is 332070313123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 249203635209 + 72109435024 = 499203^2 + 268532^2 .

It is a cyclic number.

It is not a de Polignac number, because 321313070233 - 2¹ = 321313070231 is a prime.

Together with 321313070231, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (321313070231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160656535116 + 160656535117.

It is an arithmetic number, because the mean of its divisors is an integer number (160656535117).

Almost surely, 2^321313070233 is an apocalyptic number.

It is an amenable number.

321313070233 is a deficient number, since it is larger than the sum of its proper divisors (1).

321313070233 is an equidigital number, since it uses as much as digits as its factorization.

321313070233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 28.

Adding to 321313070233 its reverse (332070313123), we get a palindrome (653383383356).

The spelling of 321313070233 in words is "three hundred twenty-one billion, three hundred thirteen million, seventy thousand, two hundred thirty-three".