203221232130 has 32 divisors (see below), whose sum is σ = 557406808704. Its totient is φ = 46450567296.

The previous prime is 203221232083. The next prime is 203221232131. The reversal of 203221232130 is 31232122302.

It is a happy number.

203221232130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 203221232097 and 203221232106.

It is not an unprimeable number, because it can be changed into a prime (203221232131) 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 15 ways as a sum of consecutive naturals, for example, 483859867 + ... + 483860286.

It is an arithmetic number, because the mean of its divisors is an integer number (17418962772).

Almost surely, 2^203221232130 is an apocalyptic number.

203221232130 is an abundant number, since it is smaller than the sum of its proper divisors (354185576574).

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

203221232130 is a wasteful number, since it uses less digits than its factorization.

203221232130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967720170.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 203221232130 its reverse (31232122302), we get a palindrome (234453354432).

The spelling of 203221232130 in words is "two hundred three billion, two hundred twenty-one million, two hundred thirty-two thousand, one hundred thirty".