201001323311303 has 4 divisors (see below), whose sum is σ = 201001352039400. Its totient is φ = 201001294583208.

The previous prime is 201001323311287. The next prime is 201001323311317. The reversal of 201001323311303 is 303113323100102.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 201001323311303 - 2⁴ = 201001323311287 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 (201001323310303) 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, 3720776 + ... + 20392322.

It is an arithmetic number, because the mean of its divisors is an integer number (50250338009850).

Almost surely, 2^{201001323311303} is an apocalyptic number.

201001323311303 is a deficient number, since it is larger than the sum of its proper divisors (28728097).

201001323311303 is a wasteful number, since it uses less digits than its factorization.

201001323311303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28728096.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 201001323311303 its reverse (303113323100102), we get a palindrome (504114646411405).

The spelling of 201001323311303 in words is "two hundred one trillion, one billion, three hundred twenty-three million, three hundred eleven thousand, three hundred three".