203110313012 has 6 divisors (see below), whose sum is σ = 355443047778. Its totient is φ = 101555156504.

The previous prime is 203110313009. The next prime is 203110313023. The reversal of 203110313012 is 210313011302.

It can be written as a sum of positive squares in only one way, i.e., 150300434596 + 52809878416 = 387686^2 + 229804^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25388789123 + ... + 25388789130.

It is an arithmetic number, because the mean of its divisors is an integer number (59240507963).

Almost surely, 2^203110313012 is an apocalyptic number.

It is an amenable number.

203110313012 is a deficient number, since it is larger than the sum of its proper divisors (152332734766).

203110313012 is a wasteful number, since it uses less digits than its factorization.

203110313012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50777578257 (or 50777578255 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 203110313012 its reverse (210313011302), we get a palindrome (413423324314).

The spelling of 203110313012 in words is "two hundred three billion, one hundred ten million, three hundred thirteen thousand, twelve".