243420211312041 has 16 divisors (see below), whose sum is σ = 327712609021824. Its totient is φ = 160703989321344.

The previous prime is 243420211311983. The next prime is 243420211312043. The reversal of 243420211312041 is 140213112024342.

It is a happy number.

It is not a de Polignac number, because 243420211312041 - 2³¹ = 243418063828393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243420211312043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87723805 + ... + 90456101.

It is an arithmetic number, because the mean of its divisors is an integer number (20482038063864).

Almost surely, 2^{243420211312041} is an apocalyptic number.

It is an amenable number.

243420211312041 is a deficient number, since it is larger than the sum of its proper divisors (84292397709783).

243420211312041 is a wasteful number, since it uses less digits than its factorization.

243420211312041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3020720.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 243420211312041 its reverse (140213112024342), we get a palindrome (383633323336383).

The spelling of 243420211312041 in words is "two hundred forty-three trillion, four hundred twenty billion, two hundred eleven million, three hundred twelve thousand, forty-one".