203421033242 has 24 divisors (see below), whose sum is σ = 355019321664. Its totient is φ = 87163157592.

The previous prime is 203421033209. The next prime is 203421033253. The reversal of 203421033242 is 242330124302.

203421033242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 297263 + ... + 703709.

It is an arithmetic number, because the mean of its divisors is an integer number (14792471736).

Almost surely, 2^203421033242 is an apocalyptic number.

203421033242 is a deficient number, since it is larger than the sum of its proper divisors (151598288422).

203421033242 is a wasteful number, since it uses less digits than its factorization.

203421033242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411570 (or 411563 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 203421033242 its reverse (242330124302), we get a palindrome (445751157544).

The spelling of 203421033242 in words is "two hundred three billion, four hundred twenty-one million, thirty-three thousand, two hundred forty-two".