243114315541 has 4 divisors (see below), whose sum is σ = 243115379584. Its totient is φ = 243113251500.

The previous prime is 243114315539. The next prime is 243114315551. The reversal of 243114315541 is 145513411342.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 243114315541 - 2¹ = 243114315539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243114315497 and 243114315506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243114315551) 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, 33735 + ... + 698116.

It is an arithmetic number, because the mean of its divisors is an integer number (60778844896).

Almost surely, 2^243114315541 is an apocalyptic number.

It is an amenable number.

243114315541 is a deficient number, since it is larger than the sum of its proper divisors (1064043).

243114315541 is an equidigital number, since it uses as much as digits as its factorization.

243114315541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064042.

The product of its digits is 28800, while the sum is 34.

Adding to 243114315541 its reverse (145513411342), we get a palindrome (388627726883).

The spelling of 243114315541 in words is "two hundred forty-three billion, one hundred fourteen million, three hundred fifteen thousand, five hundred forty-one".