203113313012 has 6 divisors (see below), whose sum is σ = 355448297778. Its totient is φ = 101556656504.

The previous prime is 203113312993. The next prime is 203113313041. The reversal of 203113313012 is 210313311302.

203113313012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 148345144336 + 54768168676 = 385156^2 + 234026^2 .

It is a congruent 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 as a sum of consecutive naturals, namely, 25389164123 + ... + 25389164130.

It is an arithmetic number, because the mean of its divisors is an integer number (59241382963).

Almost surely, 2^203113313012 is an apocalyptic number.

It is an amenable number.

203113313012 is a deficient number, since it is larger than the sum of its proper divisors (152334984766).

203113313012 is a wasteful number, since it uses less digits than its factorization.

203113313012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50778328257 (or 50778328255 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 203113313012 its reverse (210313311302), we get a palindrome (413426624314).

The spelling of 203113313012 in words is "two hundred three billion, one hundred thirteen million, three hundred thirteen thousand, twelve".