243141434101 has 4 divisors (see below), whose sum is σ = 243148392972. Its totient is φ = 243134475232.

The previous prime is 243141434099. The next prime is 243141434119. The reversal of 243141434101 is 101434141342.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4092800625 + 239048633476 = 63975^2 + 488926^2 .

It is a cyclic number.

It is not a de Polignac number, because 243141434101 - 2¹ = 243141434099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243141434101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243141434171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3426760 + ... + 3496993.

It is an arithmetic number, because the mean of its divisors is an integer number (60787098243).

Almost surely, 2^243141434101 is an apocalyptic number.

It is an amenable number.

243141434101 is a deficient number, since it is larger than the sum of its proper divisors (6958871).

243141434101 is an equidigital number, since it uses as much as digits as its factorization.

243141434101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6958870.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 243141434101 its reverse (101434141342), we get a palindrome (344575575443).

The spelling of 243141434101 in words is "two hundred forty-three billion, one hundred forty-one million, four hundred thirty-four thousand, one hundred one".