243313134 has 8 divisors (see below), whose sum is σ = 486626280. Its totient is φ = 81104376.

The previous prime is 243313117. The next prime is 243313153. The reversal of 243313134 is 431313342.

243313134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

243313134 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20276089 + ... + 20276100.

It is an arithmetic number, because the mean of its divisors is an integer number (60828285).

Almost surely, 2^243313134 is an apocalyptic number.

243313134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

243313134 is a wasteful number, since it uses less digits than its factorization.

243313134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40552194.

The product of its digits is 2592, while the sum is 24.

The square root of 243313134 is about 15598.4978122895. The cubic root of 243313134 is about 624.2930750595.

Adding to 243313134 its reverse (431313342), we get a palindrome (674626476).

The spelling of 243313134 in words is "two hundred forty-three million, three hundred thirteen thousand, one hundred thirty-four".