243053301131 has 4 divisors (see below), whose sum is σ = 243309958152. Its totient is φ = 242796644112.

The previous prime is 243053301107. The next prime is 243053301191. The reversal of 243053301131 is 131103350342.

243053301131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243053301131 is a prime.

It is a super-2 number, since 2×243053301131² (a number of 24 digits) contains 22 as substring.

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 243053301131.

It is not an unprimeable number, because it can be changed into a prime (243053301191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128327090 + ... + 128328983.

It is an arithmetic number, because the mean of its divisors is an integer number (60827489538).

Almost surely, 2^243053301131 is an apocalyptic number.

243053301131 is a deficient number, since it is larger than the sum of its proper divisors (256657021).

243053301131 is an equidigital number, since it uses as much as digits as its factorization.

243053301131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256657020.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 243053301131 its reverse (131103350342), we get a palindrome (374156651473).

The spelling of 243053301131 in words is "two hundred forty-three billion, fifty-three million, three hundred one thousand, one hundred thirty-one".