242310431 has 8 divisors (see below), whose sum is σ = 265724928. Its totient is φ = 219127000.

The previous prime is 242310407. The next prime is 242310437. The reversal of 242310431 is 134013242.

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-242310431 is a prime.

It is a super-2 number, since 2×242310431² = 117428689942811522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242310437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55565 + ... + 59766.

It is an arithmetic number, because the mean of its divisors is an integer number (33215616).

Almost surely, 2^242310431 is an apocalyptic number.

242310431 is a deficient number, since it is larger than the sum of its proper divisors (23414497).

242310431 is a wasteful number, since it uses less digits than its factorization.

242310431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115533.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 242310431 is about 15566.3236186326. The cubic root of 242310431 is about 623.4343155400.

Adding to 242310431 its reverse (134013242), we get a palindrome (376323673).

The spelling of 242310431 in words is "two hundred forty-two million, three hundred ten thousand, four hundred thirty-one".