203313121124424 has 128 divisors (see below), whose sum is σ = 536529075273600. Its totient is φ = 64024886661120.

The previous prime is 203313121124303. The next prime is 203313121124447. The reversal of 203313121124424 is 424421121313302.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 669123414 + ... + 669427194.

It is an arithmetic number, because the mean of its divisors is an integer number (4191633400575).

Almost surely, 2^{203313121124424} is an apocalyptic number.

203313121124424 is a gapful number since it is divisible by the number (24) 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 203313121124424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268264537636800).

203313121124424 is an abundant number, since it is smaller than the sum of its proper divisors (333215954149176).

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

203313121124424 is a wasteful number, since it uses less digits than its factorization.

203313121124424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307903 (or 307899 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 203313121124424 its reverse (424421121313302), we get a palindrome (627734242437726).

The spelling of 203313121124424 in words is "two hundred three trillion, three hundred thirteen billion, one hundred twenty-one million, one hundred twenty-four thousand, four hundred twenty-four".