203211300404 has 18 divisors (see below), whose sum is σ = 413680147650. Its totient is φ = 87090557232.

The previous prime is 203211300353. The next prime is 203211300407. The reversal of 203211300404 is 404003112302.

203211300404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 140460048400 + 62751252004 = 374780^2 + 250502^2 .

It is a super-2 number, since 2×203211300404² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203211300407) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 518395979 + ... + 518396370.

It is an arithmetic number, because the mean of its divisors is an integer number (22982230425).

Almost surely, 2^203211300404 is an apocalyptic number.

It is an amenable number.

203211300404 is an abundant number, since it is smaller than the sum of its proper divisors (210468847246).

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

203211300404 is a wasteful number, since it uses less digits than its factorization.

203211300404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036792367 (or 1036792358 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 203211300404 its reverse (404003112302), we get a palindrome (607214412706).

The spelling of 203211300404 in words is "two hundred three billion, two hundred eleven million, three hundred thousand, four hundred four".