203421404130 has 32 divisors (see below), whose sum is σ = 557955851904. Its totient is φ = 46496320896.

The previous prime is 203421404113. The next prime is 203421404161. The reversal of 203421404130 is 31404124302.

It is a self number, because there is not a number n which added to its sum of digits gives 203421404130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484336467 + ... + 484336886.

It is an arithmetic number, because the mean of its divisors is an integer number (17436120372).

Almost surely, 2^203421404130 is an apocalyptic number.

203421404130 is an abundant number, since it is smaller than the sum of its proper divisors (354534447774).

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

203421404130 is a wasteful number, since it uses less digits than its factorization.

203421404130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968673370.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 203421404130 its reverse (31404124302), we get a palindrome (234825528432).

The spelling of 203421404130 in words is "two hundred three billion, four hundred twenty-one million, four hundred four thousand, one hundred thirty".