203313000313312 has 96 divisors (see below), whose sum is σ = 408701284879104. Its totient is φ = 99535072665600.

The previous prime is 203313000313307. The next prime is 203313000313411. The reversal of 203313000313312 is 213313000313302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484340637 + ... + 484760227.

It is an arithmetic number, because the mean of its divisors is an integer number (4257305050824).

Almost surely, 2^{203313000313312} is an apocalyptic number.

It is an amenable number.

203313000313312 is an abundant number, since it is smaller than the sum of its proper divisors (205388284565792).

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

203313000313312 is a wasteful number, since it uses less digits than its factorization.

203313000313312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421032 (or 421024 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 203313000313312 its reverse (213313000313302), we get a palindrome (416626000626614).

The spelling of 203313000313312 in words is "two hundred three trillion, three hundred thirteen billion, three hundred thirteen thousand, three hundred twelve".