201322310011013 has 4 divisors (see below), whose sum is σ = 201584107554060. Its totient is φ = 201060512467968.

The previous prime is 201322310010959. The next prime is 201322310011021. The reversal of 201322310011013 is 310110013223102.

It is a happy number.

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 100251317703364 + 101070992307649 = 10012558^2 + 10053407^2 .

It is a cyclic number.

It is not a de Polignac number, because 201322310011013 - 2⁶ = 201322310010949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201322310019013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130898770370 + ... + 130898771907.

It is an arithmetic number, because the mean of its divisors is an integer number (50396026888515).

Almost surely, 2^{201322310011013} is an apocalyptic number.

It is an amenable number.

201322310011013 is a deficient number, since it is larger than the sum of its proper divisors (261797543047).

201322310011013 is an equidigital number, since it uses as much as digits as its factorization.

201322310011013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261797543046.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 201322310011013 its reverse (310110013223102), we get a palindrome (511432323234115).

The spelling of 201322310011013 in words is "two hundred one trillion, three hundred twenty-two billion, three hundred ten million, eleven thousand, thirteen".