201324310399 has 4 divisors (see below), whose sum is σ = 201328955536. Its totient is φ = 201319665264.

The previous prime is 201324310337. The next prime is 201324310417. The reversal of 201324310399 is 993013423102.

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 201324310399 - 2¹⁵ = 201324277631 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 (201324310699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2256939 + ... + 2344444.

It is an arithmetic number, because the mean of its divisors is an integer number (50332238884).

Almost surely, 2^201324310399 is an apocalyptic number.

201324310399 is a deficient number, since it is larger than the sum of its proper divisors (4645137).

201324310399 is an equidigital number, since it uses as much as digits as its factorization.

201324310399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4645136.

The product of its (nonzero) digits is 34992, while the sum is 37.

The spelling of 201324310399 in words is "two hundred one billion, three hundred twenty-four million, three hundred ten thousand, three hundred ninety-nine".