201024034243 has 4 divisors (see below), whose sum is σ = 201046112080. Its totient is φ = 201001956408.

The previous prime is 201024034241. The next prime is 201024034249. The reversal of 201024034243 is 342430420102.

It is a happy number.

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 201024034243 - 2¹ = 201024034241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201024034241) 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, 11025255 + ... + 11043472.

It is an arithmetic number, because the mean of its divisors is an integer number (50261528020).

Almost surely, 2^201024034243 is an apocalyptic number.

201024034243 is a deficient number, since it is larger than the sum of its proper divisors (22077837).

201024034243 is an equidigital number, since it uses as much as digits as its factorization.

201024034243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22077836.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 201024034243 its reverse (342430420102), we get a palindrome (543454454345).

The spelling of 201024034243 in words is "two hundred one billion, twenty-four million, thirty-four thousand, two hundred forty-three".