243142030101 has 8 divisors (see below), whose sum is σ = 331087019904. Its totient is φ = 158645863520.

The previous prime is 243142030081. The next prime is 243142030121. The reversal of 243142030101 is 101030241342.

243142030101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (243142030081) and next prime (243142030121).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243142030101 - 2⁹ = 243142029589 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243142030121) 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 7 ways as a sum of consecutive naturals, for example, 862205640 + ... + 862205921.

It is an arithmetic number, because the mean of its divisors is an integer number (41385877488).

Almost surely, 2^243142030101 is an apocalyptic number.

It is an amenable number.

243142030101 is a deficient number, since it is larger than the sum of its proper divisors (87944989803).

243142030101 is a wasteful number, since it uses less digits than its factorization.

243142030101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724411611.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 243142030101 its reverse (101030241342), we get a palindrome (344172271443).

The spelling of 243142030101 in words is "two hundred forty-three billion, one hundred forty-two million, thirty thousand, one hundred one".