243130101 has 8 divisors (see below), whose sum is σ = 324308160. Its totient is φ = 162019392.

The previous prime is 243130093. The next prime is 243130103. The reversal of 243130101 is 101031342.

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

It is not a de Polignac number, because 243130101 - 2³ = 243130093 is a prime.

It is a super-2 number, since 2×243130101² = 118224492024540402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243130103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7705 + ... + 23358.

It is an arithmetic number, because the mean of its divisors is an integer number (40538520).

Almost surely, 2^243130101 is an apocalyptic number.

It is an amenable number.

243130101 is a deficient number, since it is larger than the sum of its proper divisors (81178059).

243130101 is a wasteful number, since it uses less digits than its factorization.

243130101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33675.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 243130101 is about 15592.6297012403. The cubic root of 243130101 is about 624.1364937071.

Adding to 243130101 its reverse (101031342), we get a palindrome (344161443).

The spelling of 243130101 in words is "two hundred forty-three million, one hundred thirty thousand, one hundred one".