321032311020313 has 2 divisors, whose sum is σ = 321032311020314. Its totient is φ = 321032311020312.

The previous prime is 321032311020229. The next prime is 321032311020349. The reversal of 321032311020313 is 313020113230123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 272315079888784 + 48717231131529 = 16501972^2 + 6979773^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321032311020313 is a prime.

It is not a weakly prime, because it can be changed into another prime (321032311020713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160516155510156 + 160516155510157.

It is an arithmetic number, because the mean of its divisors is an integer number (160516155510157).

Almost surely, 2^{321032311020313} is an apocalyptic number.

It is an amenable number.

321032311020313 is a deficient number, since it is larger than the sum of its proper divisors (1).

321032311020313 is an equidigital number, since it uses as much as digits as its factorization.

321032311020313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 321032311020313 its reverse (313020113230123), we get a palindrome (634052424250436).

The spelling of 321032311020313 in words is "three hundred twenty-one trillion, thirty-two billion, three hundred eleven million, twenty thousand, three hundred thirteen".