243114012311 has 4 divisors (see below), whose sum is σ = 245386105992. Its totient is φ = 240841918632.

The previous prime is 243114012241. The next prime is 243114012313. The reversal of 243114012311 is 113210411342.

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-243114012311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243114012313) 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, 1136046680 + ... + 1136046893.

It is an arithmetic number, because the mean of its divisors is an integer number (61346526498).

Almost surely, 2^243114012311 is an apocalyptic number.

243114012311 is a deficient number, since it is larger than the sum of its proper divisors (2272093681).

243114012311 is a wasteful number, since it uses less digits than its factorization.

243114012311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272093680.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 243114012311 its reverse (113210411342), we get a palindrome (356324423653).

The spelling of 243114012311 in words is "two hundred forty-three billion, one hundred fourteen million, twelve thousand, three hundred eleven".