243314322011 has 4 divisors (see below), whose sum is σ = 243316412400. Its totient is φ = 243312231624.

The previous prime is 243314321989. The next prime is 243314322037. The reversal of 243314322011 is 110223413342.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243314322011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243314322311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 859616 + ... + 1107053.

It is an arithmetic number, because the mean of its divisors is an integer number (60829103100).

Almost surely, 2^243314322011 is an apocalyptic number.

243314322011 is a deficient number, since it is larger than the sum of its proper divisors (2090389).

243314322011 is a wasteful number, since it uses less digits than its factorization.

243314322011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090388.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 243314322011 its reverse (110223413342), we get a palindrome (353537735353).

The spelling of 243314322011 in words is "two hundred forty-three billion, three hundred fourteen million, three hundred twenty-two thousand, eleven".