201203434130 has 16 divisors (see below), whose sum is σ = 368999506584. Its totient is φ = 78962856960.

The previous prime is 201203434099. The next prime is 201203434139. The reversal of 201203434130 is 31434302102.

It can be written as a sum of positive squares in 4 ways, for example, as 201178263841 + 25170289 = 448529^2 + 5017^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 201203434096 and 201203434105.

It is not an unprimeable number, because it can be changed into a prime (201203434139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189814031 + ... + 189815090.

Almost surely, 2^201203434130 is an apocalyptic number.

201203434130 is a deficient number, since it is larger than the sum of its proper divisors (167796072454).

201203434130 is a wasteful number, since it uses less digits than its factorization.

201203434130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379629181.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 201203434130 its reverse (31434302102), we get a palindrome (232637736232).

The spelling of 201203434130 in words is "two hundred one billion, two hundred three million, four hundred thirty-four thousand, one hundred thirty".