201324310001 has 4 divisors (see below), whose sum is σ = 201326164452. Its totient is φ = 201322455552.

The previous prime is 201324309959. The next prime is 201324310003. The reversal of 201324310001 is 100013423102.

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 11193428401 + 190130881600 = 105799^2 + 436040^2 .

It is a cyclic number.

It is not a de Polignac number, because 201324310001 - 2⁶ = 201324309937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201324310003) 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, 753536 + ... + 985121.

It is an arithmetic number, because the mean of its divisors is an integer number (50331541113).

Almost surely, 2^201324310001 is an apocalyptic number.

It is an amenable number.

201324310001 is a deficient number, since it is larger than the sum of its proper divisors (1854451).

201324310001 is a wasteful number, since it uses less digits than its factorization.

201324310001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1854450.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 201324310001 its reverse (100013423102), we get a palindrome (301337733103).

The spelling of 201324310001 in words is "two hundred one billion, three hundred twenty-four million, three hundred ten thousand, one".