203030130130 has 32 divisors (see below), whose sum is σ = 378151124400. Its totient is φ = 78391928832.

The previous prime is 203030130109. The next prime is 203030130131. The reversal of 203030130130 is 31031030302.

It can be written as a sum of positive squares in 8 ways, for example, as 57642727921 + 145387402209 = 240089^2 + 381297^2 .

It is not an unprimeable number, because it can be changed into a prime (203030130131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1095226 + ... + 1267114.

Almost surely, 2^203030130130 is an apocalyptic number.

203030130130 is a deficient number, since it is larger than the sum of its proper divisors (175120994270).

203030130130 is a wasteful number, since it uses less digits than its factorization.

203030130130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175998.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 203030130130 its reverse (31031030302), we get a palindrome (234061160432).

The spelling of 203030130130 in words is "two hundred three billion, thirty million, one hundred thirty thousand, one hundred thirty".