201324310043 has 4 divisors (see below), whose sum is σ = 202067204448. Its totient is φ = 200581415640.

The previous prime is 201324310003. The next prime is 201324310087. The reversal of 201324310043 is 340013423102.

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 201324310043 - 2¹⁴ = 201324293659 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, 371446796 + ... + 371447337.

It is an arithmetic number, because the mean of its divisors is an integer number (50516801112).

Almost surely, 2^201324310043 is an apocalyptic number.

201324310043 is a deficient number, since it is larger than the sum of its proper divisors (742894405).

201324310043 is an equidigital number, since it uses as much as digits as its factorization.

201324310043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742894404.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 201324310043 its reverse (340013423102), we get a palindrome (541337733145).

The spelling of 201324310043 in words is "two hundred one billion, three hundred twenty-four million, three hundred ten thousand, forty-three".