201044322013 has 8 divisors (see below), whose sum is σ = 212998955832. Its totient is φ = 189103965696.

The previous prime is 201044321987. The next prime is 201044322019. The reversal of 201044322013 is 310223440102.

It can be written as a sum of positive squares in 4 ways, for example, as 16575790009 + 184468532004 = 128747^2 + 429498^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201044322013 - 2⁵ = 201044321981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201044322019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3540370 + ... + 3596707.

It is an arithmetic number, because the mean of its divisors is an integer number (26624869479).

Almost surely, 2^201044322013 is an apocalyptic number.

It is an amenable number.

201044322013 is a deficient number, since it is larger than the sum of its proper divisors (11954633819).

201044322013 is a wasteful number, since it uses less digits than its factorization.

201044322013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7138751.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 201044322013 its reverse (310223440102), we get a palindrome (511267762115).

The spelling of 201044322013 in words is "two hundred one billion, forty-four million, three hundred twenty-two thousand, thirteen".