243105034311 has 48 divisors (see below), whose sum is σ = 367103772672. Its totient is φ = 154843617600.

The previous prime is 243105034309. The next prime is 243105034327. The reversal of 243105034311 is 113430501342.

It is a happy number.

243105034311 is a `hidden beast` number, since 2 + 4 + 310 + 5 + 0 + 34 + 311 = 666.

It is not a de Polignac number, because 243105034311 - 2¹ = 243105034309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243105032311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44759766 + ... + 44765196.

It is an arithmetic number, because the mean of its divisors is an integer number (7647995264).

Almost surely, 2^243105034311 is an apocalyptic number.

243105034311 is a deficient number, since it is larger than the sum of its proper divisors (123998738361).

243105034311 is a wasteful number, since it uses less digits than its factorization.

243105034311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7484 (or 7481 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 243105034311 its reverse (113430501342), we get a palindrome (356535535653).

The spelling of 243105034311 in words is "two hundred forty-three billion, one hundred five million, thirty-four thousand, three hundred eleven".