313320021101 has 2 divisors, whose sum is σ = 313320021102. Its totient is φ = 313320021100.

The previous prime is 313320021089. The next prime is 313320021199. The reversal of 313320021101 is 101120023313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 285888049225 + 27431971876 = 534685^2 + 165626^2 .

It is an emirp because it is prime and its reverse (101120023313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313320021101 - 2¹⁸ = 313319758957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 313320021101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313320821101) 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, 156660010550 + 156660010551.

It is an arithmetic number, because the mean of its divisors is an integer number (156660010551).

Almost surely, 2^313320021101 is an apocalyptic number.

It is an amenable number.

313320021101 is a deficient number, since it is larger than the sum of its proper divisors (1).

313320021101 is an equidigital number, since it uses as much as digits as its factorization.

313320021101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 313320021101 its reverse (101120023313), we get a palindrome (414440044414).

The spelling of 313320021101 in words is "three hundred thirteen billion, three hundred twenty million, twenty-one thousand, one hundred one".