243220241002 has 4 divisors (see below), whose sum is σ = 364830361506. Its totient is φ = 121610120500.

The previous prime is 243220240997. The next prime is 243220241009. The reversal of 243220241002 is 200142022342.

243220241002 is digitally balanced in base 3, 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, and also an emirpimes, since its reverse is a distinct semiprime: 200142022342 = 2 ⋅100071011171.

It can be written as a sum of positive squares in only one way, i.e., 215009343481 + 28210897521 = 463691^2 + 167961^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (243220241009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60805060249 + ... + 60805060252.

Almost surely, 2^243220241002 is an apocalyptic number.

243220241002 is a deficient number, since it is larger than the sum of its proper divisors (121610120504).

243220241002 is a wasteful number, since it uses less digits than its factorization.

243220241002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121610120503.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 243220241002 its reverse (200142022342), we get a palindrome (443362263344).

The spelling of 243220241002 in words is "two hundred forty-three billion, two hundred twenty million, two hundred forty-one thousand, two".