242231130 has 144 divisors (see below), whose sum is σ = 683897760. Its totient is φ = 59457024.

The previous prime is 242231047. The next prime is 242231131. The reversal of 242231130 is 31132242.

242231130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242231131) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1742601 + ... + 1742739.

It is an arithmetic number, because the mean of its divisors is an integer number (4749290).

Almost surely, 2^242231130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242231130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341948880).

242231130 is an abundant number, since it is smaller than the sum of its proper divisors (441666630).

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

242231130 is a wasteful number, since it uses less digits than its factorization.

242231130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 242231130 is about 15563.7762127319. The cubic root of 242231130 is about 623.3662976139.

Adding to 242231130 its reverse (31132242), we get a palindrome (273363372).

The spelling of 242231130 in words is "two hundred forty-two million, two hundred thirty-one thousand, one hundred thirty".