201031223303 has 2 divisors, whose sum is σ = 201031223304. Its totient is φ = 201031223302.

The previous prime is 201031223299. The next prime is 201031223311. The reversal of 201031223303 is 303322130102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201031223303 - 2² = 201031223299 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201031223353) 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 as a sum of consecutive naturals, namely, 100515611651 + 100515611652.

It is an arithmetic number, because the mean of its divisors is an integer number (100515611652).

Almost surely, 2^201031223303 is an apocalyptic number.

201031223303 is a deficient number, since it is larger than the sum of its proper divisors (1).

201031223303 is an equidigital number, since it uses as much as digits as its factorization.

201031223303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 201031223303 its reverse (303322130102), we get a palindrome (504353353405).

The spelling of 201031223303 in words is "two hundred one billion, thirty-one million, two hundred twenty-three thousand, three hundred three".