242234431 has 2 divisors, whose sum is σ = 242234432. Its totient is φ = 242234430.

The previous prime is 242234407. The next prime is 242234453. The reversal of 242234431 is 134432242.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242234431 - 2¹¹ = 242232383 is a prime.

It is a super-2 number, since 2×242234431² = 117355039123787522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242234396 and 242234405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242234131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121117215 + 121117216.

It is an arithmetic number, because the mean of its divisors is an integer number (121117216).

Almost surely, 2^242234431 is an apocalyptic number.

242234431 is a deficient number, since it is larger than the sum of its proper divisors (1).

242234431 is an equidigital number, since it uses as much as digits as its factorization.

242234431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 25.

The square root of 242234431 is about 15563.8822598990. The cubic root of 242234431 is about 623.3691292384.

Adding to 242234431 its reverse (134432242), we get a palindrome (376666673).

The spelling of 242234431 in words is "two hundred forty-two million, two hundred thirty-four thousand, four hundred thirty-one".