203313231220000 has 480 divisors, whose sum is σ = 576186228636480. Its totient is φ = 69819517440000.

The previous prime is 203313231219977. The next prime is 203313231220013. The reversal of 203313231220000 is 22132313302.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 79 ways as a sum of consecutive naturals, for example, 1324983282 + ... + 1325136718.

It is an arithmetic number, because the mean of its divisors is an integer number (1200387976326).

Almost surely, 2^{203313231220000} is an apocalyptic number.

203313231220000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203313231220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288093114318240).

203313231220000 is an abundant number, since it is smaller than the sum of its proper divisors (372872997416480).

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

203313231220000 is a wasteful number, since it uses less digits than its factorization.

203313231220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153814 (or 153791 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 203313231220000 its reverse (22132313302), we get a palindrome (203335363533302).

The spelling of 203313231220000 in words is "two hundred three trillion, three hundred thirteen billion, two hundred thirty-one million, two hundred twenty thousand".