203431341330 has 192 divisors, whose sum is σ = 648143907840. Its totient is φ = 43209234432.

The previous prime is 203431341301. The next prime is 203431341349. The reversal of 203431341330 is 33143134302.

203431341330 is a `hidden beast` number, since 203 + 4 + 3 + 13 + 413 + 30 = 666.

203431341330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 203431341294 and 203431341303.

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 95 ways as a sum of consecutive naturals, for example, 725872 + ... + 966308.

It is an arithmetic number, because the mean of its divisors is an integer number (3375749520).

Almost surely, 2^203431341330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203431341330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324071953920).

203431341330 is an abundant number, since it is smaller than the sum of its proper divisors (444712566510).

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

203431341330 is a wasteful number, since it uses less digits than its factorization.

203431341330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240553 (or 240550 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 203431341330 its reverse (33143134302), we get a palindrome (236574475632).

The spelling of 203431341330 in words is "two hundred three billion, four hundred thirty-one million, three hundred forty-one thousand, three hundred thirty".