203444133130 has 32 divisors (see below), whose sum is σ = 428246527104. Its totient is φ = 68130127296.

The previous prime is 203444133091. The next prime is 203444133143. The reversal of 203444133130 is 31331444302.

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, 33791697 + ... + 33797716.

It is an arithmetic number, because the mean of its divisors is an integer number (13382703972).

Almost surely, 2^203444133130 is an apocalyptic number.

203444133130 is an abundant number, since it is smaller than the sum of its proper divisors (224802393974).

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

203444133130 is a wasteful number, since it uses less digits than its factorization.

203444133130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67589470.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 203444133130 its reverse (31331444302), we get a palindrome (234775577432).

The spelling of 203444133130 in words is "two hundred three billion, four hundred forty-four million, one hundred thirty-three thousand, one hundred thirty".