203211300424 has 32 divisors (see below), whose sum is σ = 419544165600. Its totient is φ = 91505509120.

The previous prime is 203211300407. The next prime is 203211300527. The reversal of 203211300424 is 424003112302.

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

It is a junction number, because it is equal to n+sod(n) for n = 203211300395 and 203211300404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10781329 + ... + 10800160.

It is an arithmetic number, because the mean of its divisors is an integer number (13110755175).

Almost surely, 2^203211300424 is an apocalyptic number.

It is an amenable number.

203211300424 is an abundant number, since it is smaller than the sum of its proper divisors (216332865176).

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

203211300424 is a wasteful number, since it uses less digits than its factorization.

203211300424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21581613 (or 21581609 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 203211300424 its reverse (424003112302), we get a palindrome (627214412726).

The spelling of 203211300424 in words is "two hundred three billion, two hundred eleven million, three hundred thousand, four hundred twenty-four".