201313223101 has 2 divisors, whose sum is σ = 201313223102. Its totient is φ = 201313223100.

The previous prime is 201313223081. The next prime is 201313223123. The reversal of 201313223101 is 101322313102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132078457476 + 69234765625 = 363426^2 + 263125^2 .

It is a cyclic number.

It is not a de Polignac number, because 201313223101 - 2⁷ = 201313222973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201313223401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100656611550 + 100656611551.

It is an arithmetic number, because the mean of its divisors is an integer number (100656611551).

Almost surely, 2^201313223101 is an apocalyptic number.

It is an amenable number.

201313223101 is a deficient number, since it is larger than the sum of its proper divisors (1).

201313223101 is an equidigital number, since it uses as much as digits as its factorization.

201313223101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 201313223101 its reverse (101322313102), we get a palindrome (302635536203).

Subtracting from 201313223101 its reverse (101322313102), we obtain a palindrome (99990909999).

The spelling of 201313223101 in words is "two hundred one billion, three hundred thirteen million, two hundred twenty-three thousand, one hundred one".