242421110431 has 2 divisors, whose sum is σ = 242421110432. Its totient is φ = 242421110430.

The previous prime is 242421110377. The next prime is 242421110441. The reversal of 242421110431 is 134011124242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242421110431 - 2⁷ = 242421110303 is a prime.

It is a super-2 number, since 2×242421110431² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242421110396 and 242421110405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242421110441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121210555215 + 121210555216.

It is an arithmetic number, because the mean of its divisors is an integer number (121210555216).

Almost surely, 2^242421110431 is an apocalyptic number.

242421110431 is a deficient number, since it is larger than the sum of its proper divisors (1).

242421110431 is an equidigital number, since it uses as much as digits as its factorization.

242421110431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 242421110431 its reverse (134011124242), we get a palindrome (376432234673).

The spelling of 242421110431 in words is "two hundred forty-two billion, four hundred twenty-one million, one hundred ten thousand, four hundred thirty-one".