243101343005 has 4 divisors (see below), whose sum is σ = 291721611612. Its totient is φ = 194481074400.

The previous prime is 243101342987. The next prime is 243101343049. The reversal of 243101343005 is 500343101342.

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 99489145561 + 143612197444 = 315419^2 + 378962^2 .

It is not a de Polignac number, because 243101343005 - 2⁸ = 243101342749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24310134296 + ... + 24310134305.

It is an arithmetic number, because the mean of its divisors is an integer number (72930402903).

Almost surely, 2^243101343005 is an apocalyptic number.

It is an amenable number.

243101343005 is a deficient number, since it is larger than the sum of its proper divisors (48620268607).

243101343005 is an equidigital number, since it uses as much as digits as its factorization.

243101343005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48620268606.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 243101343005 its reverse (500343101342), we get a palindrome (743444444347).

The spelling of 243101343005 in words is "two hundred forty-three billion, one hundred one million, three hundred forty-three thousand, five".