201031201003323 has 16 divisors (see below), whose sum is σ = 268130020483616. Its totient is φ = 133976592414720.

The previous prime is 201031201003271. The next prime is 201031201003337. The reversal of 201031201003323 is 323300102130102.

It is not a de Polignac number, because 201031201003323 - 2⁸ = 201031201003067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201031201003323.

It is not an unprimeable number, because it can be changed into a prime (201031201003363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 844560561 + ... + 844798557.

It is an arithmetic number, because the mean of its divisors is an integer number (16758126280226).

Almost surely, 2^{201031201003323} is an apocalyptic number.

201031201003323 is a deficient number, since it is larger than the sum of its proper divisors (67098819480293).

201031201003323 is a wasteful number, since it uses less digits than its factorization.

201031201003323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329694.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 201031201003323 its reverse (323300102130102), we get a palindrome (524331303133425).

The spelling of 201031201003323 in words is "two hundred one trillion, thirty-one billion, two hundred one million, three thousand, three hundred twenty-three".