242432531 has 8 divisors (see below), whose sum is σ = 264828528. Its totient is φ = 220096000.

The previous prime is 242432507. The next prime is 242432537. The reversal of 242432531 is 135234242.

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 242432531 - 2¹⁴ = 242416147 is a prime.

It is a super-2 number, since 2×242432531² = 117547064174131922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242432531.

It is not an unprimeable number, because it can be changed into a prime (242432537) 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, 6110 + ... + 22851.

It is an arithmetic number, because the mean of its divisors is an integer number (33103566).

Almost surely, 2^242432531 is an apocalyptic number.

242432531 is a deficient number, since it is larger than the sum of its proper divisors (22395997).

242432531 is a wasteful number, since it uses less digits than its factorization.

242432531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29733.

The product of its digits is 5760, while the sum is 26.

The square root of 242432531 is about 15570.2450526638. The cubic root of 242432531 is about 623.5390139460.

Adding to 242432531 its reverse (135234242), we get a palindrome (377666773).

The spelling of 242432531 in words is "two hundred forty-two million, four hundred thirty-two thousand, five hundred thirty-one".