242230631 has 8 divisors (see below), whose sum is σ = 245130144. Its totient is φ = 239339520.

The previous prime is 242230619. The next prime is 242230657. The reversal of 242230631 is 136032242.

242230631 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242230631 is a prime.

It is a super-2 number, since 2×242230631² = 117351357189316322, 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 = 242230597 and 242230606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242230691) 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, 70391 + ... + 73751.

It is an arithmetic number, because the mean of its divisors is an integer number (30641268).

Almost surely, 2^242230631 is an apocalyptic number.

242230631 is a deficient number, since it is larger than the sum of its proper divisors (2899513).

242230631 is an equidigital number, since it uses as much as digits as its factorization.

242230631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4201.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 242230631 is about 15563.7601819098. The cubic root of 242230631 is about 623.3658695654.

Adding to 242230631 its reverse (136032242), we get a palindrome (378262873).

The spelling of 242230631 in words is "two hundred forty-two million, two hundred thirty thousand, six hundred thirty-one".