243311041 has 8 divisors (see below), whose sum is σ = 245458944. Its totient is φ = 241168800.

The previous prime is 243310973. The next prime is 243311053. The reversal of 243311041 is 140113342.

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

It is a cyclic number.

It is not a de Polignac number, because 243311041 - 2²⁵ = 209756609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243311941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156916 + ... + 158458.

It is an arithmetic number, because the mean of its divisors is an integer number (30682368).

Almost surely, 2^243311041 is an apocalyptic number.

It is an amenable number.

243311041 is a deficient number, since it is larger than the sum of its proper divisors (2147903).

243311041 is a wasteful number, since it uses less digits than its factorization.

243311041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 243311041 is about 15598.4307223515. The cubic root of 243311041 is about 624.2912849806.

Adding to 243311041 its reverse (140113342), we get a palindrome (383424383).

The spelling of 243311041 in words is "two hundred forty-three million, three hundred eleven thousand, forty-one".