201324311 has 4 divisors (see below), whose sum is σ = 203872800. Its totient is φ = 198775824.

The previous prime is 201324287. The next prime is 201324329. The reversal of 201324311 is 113423102.

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 201324311 - 2¹⁴ = 201307927 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 201324311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201324371) 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, 1274126 + ... + 1274283.

It is an arithmetic number, because the mean of its divisors is an integer number (50968200).

Almost surely, 2^201324311 is an apocalyptic number.

201324311 is a deficient number, since it is larger than the sum of its proper divisors (2548489).

201324311 is an equidigital number, since it uses as much as digits as its factorization.

201324311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548488.

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

The square root of 201324311 is about 14188.8798359842. The cubic root of 201324311 is about 586.0914787278.

Adding to 201324311 its reverse (113423102), we get a palindrome (314747413).

The spelling of 201324311 in words is "two hundred one million, three hundred twenty-four thousand, three hundred eleven".