243033152101 has 4 divisors (see below), whose sum is σ = 253599810912. Its totient is φ = 232466493292.

The previous prime is 243033152099. The next prime is 243033152179. The reversal of 243033152101 is 101251330342.

It is a happy number.

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 not a de Polignac number, because 243033152101 - 2¹ = 243033152099 is a prime.

It is a super-2 number, since 2×243033152101² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243033153101) 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, 5283329371 + ... + 5283329416.

It is an arithmetic number, because the mean of its divisors is an integer number (63399952728).

Almost surely, 2^243033152101 is an apocalyptic number.

It is an amenable number.

243033152101 is a deficient number, since it is larger than the sum of its proper divisors (10566658811).

243033152101 is a wasteful number, since it uses less digits than its factorization.

243033152101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10566658810.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 243033152101 its reverse (101251330342), we get a palindrome (344284482443).

The spelling of 243033152101 in words is "two hundred forty-three billion, thirty-three million, one hundred fifty-two thousand, one hundred one".