203103432324 has 72 divisors (see below), whose sum is σ = 553451854592. Its totient is φ = 62430160320.

The previous prime is 203103432319. The next prime is 203103432341. The reversal of 203103432324 is 423234301302.

203103432324 is a `hidden beast` number, since 2 + 0 + 310 + 3 + 4 + 323 + 24 = 666.

203103432324 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 244827 + ... + 682749.

Almost surely, 2^203103432324 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 203103432324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276725927296).

203103432324 is an abundant number, since it is smaller than the sum of its proper divisors (350348422268).

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

203103432324 is a wasteful number, since it uses less digits than its factorization.

203103432324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438937 (or 438932 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 203103432324 its reverse (423234301302), we get a palindrome (626337733626).

The spelling of 203103432324 in words is "two hundred three billion, one hundred three million, four hundred thirty-two thousand, three hundred twenty-four".