242131331 has 8 divisors (see below), whose sum is σ = 262216080. Its totient is φ = 222255072.

The previous prime is 242131283. The next prime is 242131333. The reversal of 242131331 is 133131242.

242131331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 242131331 - 2¹⁴ = 242114947 is a prime.

It is a super-2 number, since 2×242131331² = 117255162903663122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242131333) 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, 49700 + ... + 54353.

It is an arithmetic number, because the mean of its divisors is an integer number (32777010).

Almost surely, 2^242131331 is an apocalyptic number.

242131331 is a deficient number, since it is larger than the sum of its proper divisors (20084749).

242131331 is a wasteful number, since it uses less digits than its factorization.

242131331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104245.

The product of its digits is 432, while the sum is 20.

The square root of 242131331 is about 15560.5697517797. The cubic root of 242131331 is about 623.2806770762.

Adding to 242131331 its reverse (133131242), we get a palindrome (375262573).

The spelling of 242131331 in words is "two hundred forty-two million, one hundred thirty-one thousand, three hundred thirty-one".