203131424222312 has 64 divisors (see below), whose sum is σ = 428552092483200. Its totient is φ = 89791866869760.

The previous prime is 203131424222291. The next prime is 203131424222341. The reversal of 203131424222312 is 213222424131302.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 708441473 + ... + 708728144.

It is an arithmetic number, because the mean of its divisors is an integer number (6696126445050).

Almost surely, 2^{203131424222312} is an apocalyptic number.

It is an amenable number.

203131424222312 is an abundant number, since it is smaller than the sum of its proper divisors (225420668260888).

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

203131424222312 is a wasteful number, since it uses less digits than its factorization.

203131424222312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417169706 (or 1417169702 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 203131424222312 its reverse (213222424131302), we get a palindrome (416353848353614).

The spelling of 203131424222312 in words is "two hundred three trillion, one hundred thirty-one billion, four hundred twenty-four million, two hundred twenty-two thousand, three hundred twelve".