201313552501 has 4 divisors (see below), whose sum is σ = 201320346604. Its totient is φ = 201306758400.

The previous prime is 201313552483. The next prime is 201313552523. The reversal of 201313552501 is 105255313102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13760463025 + 187553089476 = 117305^2 + 433074^2 .

It is a cyclic number.

It is not a de Polignac number, because 201313552501 - 2²¹ = 201311455349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201313552501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201313552571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3352410 + ... + 3411931.

It is an arithmetic number, because the mean of its divisors is an integer number (50330086651).

Almost surely, 2^201313552501 is an apocalyptic number.

It is an amenable number.

201313552501 is a deficient number, since it is larger than the sum of its proper divisors (6794103).

201313552501 is an equidigital number, since it uses as much as digits as its factorization.

201313552501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6794102.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 201313552501 its reverse (105255313102), we get a palindrome (306568865603).

The spelling of 201313552501 in words is "two hundred one billion, three hundred thirteen million, five hundred fifty-two thousand, five hundred one".