243103242203130 has 32 divisors (see below), whose sum is σ = 584833643031168. Its totient is φ = 64673546616000.

The previous prime is 243103242203051. The next prime is 243103242203131. The reversal of 243103242203130 is 31302242301342.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (243103242203131) 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, 9624027046 + ... + 9624052305.

It is an arithmetic number, because the mean of its divisors is an integer number (18276051344724).

Almost surely, 2^{243103242203130} is an apocalyptic number.

243103242203130 is an abundant number, since it is smaller than the sum of its proper divisors (341730400828038).

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

243103242203130 is a wasteful number, since it uses less digits than its factorization.

243103242203130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19248079782.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 243103242203130 its reverse (31302242301342), we get a palindrome (274405484504472).

The spelling of 243103242203130 in words is "two hundred forty-three trillion, one hundred three billion, two hundred forty-two million, two hundred three thousand, one hundred thirty".