201330443401 has 4 divisors (see below), whose sum is σ = 201495876372. Its totient is φ = 201165010432.

The previous prime is 201330443389. The next prime is 201330443417. The reversal of 201330443401 is 104344033102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104344033102 = 2 ⋅52172016551.

It can be written as a sum of positive squares in 2 ways, for example, as 28602927376 + 172727516025 = 169124^2 + 415605^2 .

It is a cyclic number.

It is not a de Polignac number, because 201330443401 - 2¹¹ = 201330441353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201330443101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82714660 + ... + 82717093.

It is an arithmetic number, because the mean of its divisors is an integer number (50373969093).

Almost surely, 2^201330443401 is an apocalyptic number.

It is an amenable number.

201330443401 is a deficient number, since it is larger than the sum of its proper divisors (165432971).

201330443401 is a wasteful number, since it uses less digits than its factorization.

201330443401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165432970.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 201330443401 its reverse (104344033102), we get a palindrome (305674476503).

The spelling of 201330443401 in words is "two hundred one billion, three hundred thirty million, four hundred forty-three thousand, four hundred one".