201303313073 has 2 divisors, whose sum is σ = 201303313074. Its totient is φ = 201303313072.

The previous prime is 201303313051. The next prime is 201303313109. The reversal of 201303313073 is 370313303102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126630645904 + 74672667169 = 355852^2 + 273263^2 .

It is a cyclic number.

It is not a de Polignac number, because 201303313073 - 2³² = 197008345777 is a prime.

It is not a weakly prime, because it can be changed into another prime (201303313373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100651656536 + 100651656537.

It is an arithmetic number, because the mean of its divisors is an integer number (100651656537).

Almost surely, 2^201303313073 is an apocalyptic number.

It is an amenable number.

201303313073 is a deficient number, since it is larger than the sum of its proper divisors (1).

201303313073 is an equidigital number, since it uses as much as digits as its factorization.

201303313073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 26.

Adding to 201303313073 its reverse (370313303102), we get a palindrome (571616616175).

The spelling of 201303313073 in words is "two hundred one billion, three hundred three million, three hundred thirteen thousand, seventy-three".