243310130155 has 16 divisors (see below), whose sum is σ = 293821593120. Its totient is φ = 193415620608.

The previous prime is 243310130083. The next prime is 243310130171. The reversal of 243310130155 is 551031013342.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 243310130155 - 2¹³ = 243310121963 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4515211 + ... + 4568779.

It is an arithmetic number, because the mean of its divisors is an integer number (18363849570).

Almost surely, 2^243310130155 is an apocalyptic number.

243310130155 is a deficient number, since it is larger than the sum of its proper divisors (50511462965).

243310130155 is a wasteful number, since it uses less digits than its factorization.

243310130155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59310.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 243310130155 its reverse (551031013342), we get a palindrome (794341143497).

The spelling of 243310130155 in words is "two hundred forty-three billion, three hundred ten million, one hundred thirty thousand, one hundred fifty-five".