242341431 has 4 divisors (see below), whose sum is σ = 323121912. Its totient is φ = 161560952.

The previous prime is 242341369. The next prime is 242341433. The reversal of 242341431 is 134143242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242341431 - 2⁷ = 242341303 is a prime.

It is a super-2 number, since 2×242341431² = 117458738358255522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242341433) 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 3 ways as a sum of consecutive naturals, for example, 40390236 + ... + 40390241.

It is an arithmetic number, because the mean of its divisors is an integer number (80780478).

Almost surely, 2^242341431 is an apocalyptic number.

242341431 is a deficient number, since it is larger than the sum of its proper divisors (80780481).

242341431 is an equidigital number, since it uses as much as digits as its factorization.

242341431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80780480.

The product of its digits is 2304, while the sum is 24.

The square root of 242341431 is about 15567.3193260754. The cubic root of 242341431 is about 623.4609007755.

Adding to 242341431 its reverse (134143242), we get a palindrome (376484673).

The spelling of 242341431 in words is "two hundred forty-two million, three hundred forty-one thousand, four hundred thirty-one".