242131330 has 32 divisors (see below), whose sum is σ = 511566336. Its totient is φ = 80771904.

The previous prime is 242131283. The next prime is 242131333. The reversal of 242131330 is 33131242.

It is a junction number, because it is equal to n+sod(n) for n = 242131298 and 242131307.

It is not an unprimeable number, because it can be changed into a prime (242131333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44154 + ... + 49333.

It is an arithmetic number, because the mean of its divisors is an integer number (15986448).

Almost surely, 2^242131330 is an apocalyptic number.

242131330 is an abundant number, since it is smaller than the sum of its proper divisors (269435006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242131330 is a wasteful number, since it uses less digits than its factorization.

242131330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93538.

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

The square root of 242131330 is about 15560.5697196472. The cubic root of 242131330 is about 623.2806762182.

Adding to 242131330 its reverse (33131242), we get a palindrome (275262572).

The spelling of 242131330 in words is "two hundred forty-two million, one hundred thirty-one thousand, three hundred thirty".