201331012303 has 4 divisors (see below), whose sum is σ = 201335947128. Its totient is φ = 201326077480.

The previous prime is 201331012261. The next prime is 201331012403. The reversal of 201331012303 is 303210133102.

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 201331012303 - 2³⁷ = 63892058831 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 (201331012403) 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, 2405701 + ... + 2487982.

It is an arithmetic number, because the mean of its divisors is an integer number (50333986782).

Almost surely, 2^201331012303 is an apocalyptic number.

201331012303 is a deficient number, since it is larger than the sum of its proper divisors (4934825).

201331012303 is an equidigital number, since it uses as much as digits as its factorization.

201331012303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4934824.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 201331012303 its reverse (303210133102), we get a palindrome (504541145405).

The spelling of 201331012303 in words is "two hundred one billion, three hundred thirty-one million, twelve thousand, three hundred three".