242736244831 has 8 divisors (see below), whose sum is σ = 251113045680. Its totient is φ = 234359883072.

The previous prime is 242736244811. The next prime is 242736244837. The reversal of 242736244831 is 138442637242.

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 242736244831 - 2⁷ = 242736244703 is a prime.

It is a super-2 number, since 2×242736244831² (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 (242736244837) 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 in 7 ways as a sum of consecutive naturals, for example, 1339371 + ... + 1509763.

It is an arithmetic number, because the mean of its divisors is an integer number (31389130710).

Almost surely, 2^242736244831 is an apocalyptic number.

242736244831 is a deficient number, since it is larger than the sum of its proper divisors (8376800849).

242736244831 is a wasteful number, since it uses less digits than its factorization.

242736244831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219545.

The product of its digits is 1548288, while the sum is 46.

The spelling of 242736244831 in words is "two hundred forty-two billion, seven hundred thirty-six million, two hundred forty-four thousand, eight hundred thirty-one".