201313193 has 2 divisors, whose sum is σ = 201313194. Its totient is φ = 201313192.

The previous prime is 201313171. The next prime is 201313223. The reversal of 201313193 is 391313102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191628649 + 9684544 = 13843^2 + 3112^2 .

It is a cyclic number.

It is not a de Polignac number, because 201313193 - 2⁶ = 201313129 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (201313153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100656596 + 100656597.

It is an arithmetic number, because the mean of its divisors is an integer number (100656597).

Almost surely, 2^201313193 is an apocalyptic number.

It is an amenable number.

201313193 is a deficient number, since it is larger than the sum of its proper divisors (1).

201313193 is an equidigital number, since it uses as much as digits as its factorization.

201313193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 201313193 is about 14188.4880448905. The cubic root of 201313193 is about 586.0806896930.

Adding to 201313193 its reverse (391313102), we get a palindrome (592626295).

The spelling of 201313193 in words is "two hundred one million, three hundred thirteen thousand, one hundred ninety-three".