203310303312 has 80 divisors (see below), whose sum is σ = 538553441088. Its totient is φ = 66069104640.

The previous prime is 203310303307. The next prime is 203310303337. The reversal of 203310303312 is 213303013302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23623 + ... + 638105.

Almost surely, 2^203310303312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203310303312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269276720544).

203310303312 is an abundant number, since it is smaller than the sum of its proper divisors (335243137776).

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

203310303312 is a wasteful number, since it uses less digits than its factorization.

203310303312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614668 (or 614662 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 203310303312 its reverse (213303013302), we get a palindrome (416613316614).

The spelling of 203310303312 in words is "two hundred three billion, three hundred ten million, three hundred three thousand, three hundred twelve".