201031321312 has 36 divisors (see below), whose sum is σ = 409898676096. Its totient is φ = 97049590400.

The previous prime is 201031321277. The next prime is 201031321343. The reversal of 201031321312 is 213123130102.

201031321312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 201031321312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3708064 + ... + 3761887.

It is an arithmetic number, because the mean of its divisors is an integer number (11386074336).

Almost surely, 2^201031321312 is an apocalyptic number.

It is an amenable number.

201031321312 is an abundant number, since it is smaller than the sum of its proper divisors (208867354784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201031321312 is an equidigital number, since it uses as much as digits as its factorization.

201031321312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7470019 (or 7469982 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 201031321312 its reverse (213123130102), we get a palindrome (414154451414).

The spelling of 201031321312 in words is "two hundred one billion, thirty-one million, three hundred twenty-one thousand, three hundred twelve".