201330312773 has 2 divisors, whose sum is σ = 201330312774. Its totient is φ = 201330312772.

The previous prime is 201330312761. The next prime is 201330312811. The reversal of 201330312773 is 377213033102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195971779969 + 5358532804 = 442687^2 + 73202^2 .

It is a cyclic number.

It is not a de Polignac number, because 201330312773 - 2¹⁴ = 201330296389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201330312173) 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, 100665156386 + 100665156387.

It is an arithmetic number, because the mean of its divisors is an integer number (100665156387).

Almost surely, 2^201330312773 is an apocalyptic number.

It is an amenable number.

201330312773 is a deficient number, since it is larger than the sum of its proper divisors (1).

201330312773 is an equidigital number, since it uses as much as digits as its factorization.

201330312773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 32.

Adding to 201330312773 its reverse (377213033102), we get a palindrome (578543345875).

The spelling of 201330312773 in words is "two hundred one billion, three hundred thirty million, three hundred twelve thousand, seven hundred seventy-three".