243101045201 has 4 divisors (see below), whose sum is σ = 277829765952. Its totient is φ = 208372324452.

The previous prime is 243101045191. The next prime is 243101045233. The reversal of 243101045201 is 102540101342.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243101045201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243101045261) 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, 17364360365 + ... + 17364360378.

It is an arithmetic number, because the mean of its divisors is an integer number (69457441488).

Almost surely, 2^243101045201 is an apocalyptic number.

It is an amenable number.

243101045201 is a deficient number, since it is larger than the sum of its proper divisors (34728720751).

243101045201 is an equidigital number, since it uses as much as digits as its factorization.

243101045201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34728720750.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 243101045201 its reverse (102540101342), we get a palindrome (345641146543).

The spelling of 243101045201 in words is "two hundred forty-three billion, one hundred one million, forty-five thousand, two hundred one".