201310591 has 2 divisors, whose sum is σ = 201310592. Its totient is φ = 201310590.

The previous prime is 201310573. The next prime is 201310597. The reversal of 201310591 is 195013102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201310591 - 2⁷ = 201310463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201310597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100655295 + 100655296.

It is an arithmetic number, because the mean of its divisors is an integer number (100655296).

Almost surely, 2^201310591 is an apocalyptic number.

201310591 is a deficient number, since it is larger than the sum of its proper divisors (1).

201310591 is an equidigital number, since it uses as much as digits as its factorization.

201310591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 201310591 is about 14188.3963505394. The cubic root of 201310591 is about 586.0781646250.

Adding to 201310591 its reverse (195013102), we get a palindrome (396323693).

The spelling of 201310591 in words is "two hundred one million, three hundred ten thousand, five hundred ninety-one".