243316395 has 48 divisors (see below), whose sum is σ = 486570240. Its totient is φ = 110175552.

The previous prime is 243316363. The next prime is 243316433. The reversal of 243316395 is 593613342.

It is a happy number.

243316395 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 243316395 - 2⁵ = 243316363 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30096 + ... + 37314.

It is an arithmetic number, because the mean of its divisors is an integer number (10136880).

Almost surely, 2^243316395 is an apocalyptic number.

243316395 is a deficient number, since it is larger than the sum of its proper divisors (243253845).

243316395 is a wasteful number, since it uses less digits than its factorization.

243316395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7344 (or 7341 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 243316395 is about 15598.6023412356. The cubic root of 243316395 is about 624.2958640727.

The spelling of 243316395 in words is "two hundred forty-three million, three hundred sixteen thousand, three hundred ninety-five".