242438331 has 8 divisors (see below), whose sum is σ = 337305600. Its totient is φ = 154598312.

The previous prime is 242438311. The next prime is 242438333. The reversal of 242438331 is 133834242.

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 242438331 - 2¹⁵ = 242405563 is a prime.

It is a super-2 number, since 2×242438331² = 117552688676131122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242438333) 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, 1756731 + ... + 1756868.

It is an arithmetic number, because the mean of its divisors is an integer number (42163200).

Almost surely, 2^242438331 is an apocalyptic number.

242438331 is a deficient number, since it is larger than the sum of its proper divisors (94867269).

242438331 is a wasteful number, since it uses less digits than its factorization.

242438331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3513625.

The product of its digits is 13824, while the sum is 30.

The square root of 242438331 is about 15570.4313042382. The cubic root of 242438331 is about 623.5439864600.

It can be divided in two parts, 2424 and 38331, that added together give a triangular number (40755 = T₂₈₅).

The spelling of 242438331 in words is "two hundred forty-two million, four hundred thirty-eight thousand, three hundred thirty-one".