243341331 has 8 divisors (see below), whose sum is σ = 324808080. Its totient is φ = 162051072.

The previous prime is 243341327. The next prime is 243341333. The reversal of 243341331 is 133143342.

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

It is not a de Polignac number, because 243341331 - 2² = 243341327 is a prime.

It is a super-2 number, since 2×243341331² = 118430006745703122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (243341333) 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, 40870 + ... + 46443.

It is an arithmetic number, because the mean of its divisors is an integer number (40601010).

Almost surely, 2^243341331 is an apocalyptic number.

243341331 is a deficient number, since it is larger than the sum of its proper divisors (81466749).

243341331 is an equidigital number, since it uses as much as digits as its factorization.

243341331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88245.

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

The square root of 243341331 is about 15599.4016231393. The cubic root of 243341331 is about 624.3171900913.

Adding to 243341331 its reverse (133143342), we get a palindrome (376484673).

The spelling of 243341331 in words is "two hundred forty-three million, three hundred forty-one thousand, three hundred thirty-one".