243011130 has 16 divisors (see below), whose sum is σ = 583226784. Its totient is φ = 64802960.

The previous prime is 243011117. The next prime is 243011149. The reversal of 243011130 is 31110342.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4050156 + ... + 4050215.

It is an arithmetic number, because the mean of its divisors is an integer number (36451674).

Almost surely, 2^243011130 is an apocalyptic number.

243011130 is an abundant number, since it is smaller than the sum of its proper divisors (340215654).

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

243011130 is a wasteful number, since it uses less digits than its factorization.

243011130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8100381.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 243011130 is about 15588.8142589486. The cubic root of 243011130 is about 624.0346740676.

Adding to 243011130 its reverse (31110342), we get a palindrome (274121472).

The spelling of 243011130 in words is "two hundred forty-three million, eleven thousand, one hundred thirty".