242531219 has 8 divisors (see below), whose sum is σ = 291767040. Its totient is φ = 196942536.

The previous prime is 242531167. The next prime is 242531221. The reversal of 242531219 is 912135242.

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

It is not a de Polignac number, because 242531219 - 2¹² = 242527123 is a prime.

It is a super-2 number, since 2×242531219² = 117642784379251922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242531191 and 242531200.

It is not an unprimeable number, because it can be changed into a prime (242531239) 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, 911639 + ... + 911904.

It is an arithmetic number, because the mean of its divisors is an integer number (36470880).

Almost surely, 2^242531219 is an apocalyptic number.

242531219 is a deficient number, since it is larger than the sum of its proper divisors (49235821).

242531219 is a wasteful number, since it uses less digits than its factorization.

242531219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823569.

The product of its digits is 4320, while the sum is 29.

The square root of 242531219 is about 15573.4138518181. The cubic root of 242531219 is about 623.6236113251.

The spelling of 242531219 in words is "two hundred forty-two million, five hundred thirty-one thousand, two hundred nineteen".