201313571 has 4 divisors (see below), whose sum is σ = 201430944. Its totient is φ = 201196200.

The previous prime is 201313543. The next prime is 201313577. The reversal of 201313571 is 175313102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201313571 - 2¹⁸ = 201051427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201313577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56075 + ... + 59556.

It is an arithmetic number, because the mean of its divisors is an integer number (50357736).

Almost surely, 2^201313571 is an apocalyptic number.

201313571 is a deficient number, since it is larger than the sum of its proper divisors (117373).

201313571 is a wasteful number, since it uses less digits than its factorization.

201313571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117372.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 201313571 is about 14188.5013655425. The cubic root of 201313571 is about 586.0810565151.

Adding to 201313571 its reverse (175313102), we get a palindrome (376626673).

The spelling of 201313571 in words is "two hundred one million, three hundred thirteen thousand, five hundred seventy-one".