242013331 has 8 divisors (see below), whose sum is σ = 283019264. Its totient is φ = 202615560.

The previous prime is 242013329. The next prime is 242013347. The reversal of 242013331 is 133310242.

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

It is not a de Polignac number, because 242013331 - 2¹ = 242013329 is a prime.

It is a super-2 number, since 2×242013331² = 117140904763431122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242013299 and 242013308.

It is not an unprimeable number, because it can be changed into a prime (242013301) 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, 401715 + ... + 402316.

It is an arithmetic number, because the mean of its divisors is an integer number (35377408).

Almost surely, 2^242013331 is an apocalyptic number.

242013331 is a deficient number, since it is larger than the sum of its proper divisors (41005933).

242013331 is an equidigital number, since it uses as much as digits as its factorization.

242013331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804081.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 242013331 is about 15556.7776547716. Note that the first 3 decimals coincide. The cubic root of 242013331 is about 623.1794109985.

Adding to 242013331 its reverse (133310242), we get a palindrome (375323573).

It can be divided in two parts, 2420 and 13331, that added together give a palindrome (15751).

The spelling of 242013331 in words is "two hundred forty-two million, thirteen thousand, three hundred thirty-one".