424130031431 has 2 divisors, whose sum is σ = 424130031432. Its totient is φ = 424130031430.

The previous prime is 424130031361. The next prime is 424130031439. The reversal of 424130031431 is 134130031424.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424130031431 is a prime.

It is a super-2 number, since 2×424130031431² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 424130031431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424130031439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212065015715 + 212065015716.

It is an arithmetic number, because the mean of its divisors is an integer number (212065015716).

Almost surely, 2^424130031431 is an apocalyptic number.

424130031431 is a deficient number, since it is larger than the sum of its proper divisors (1).

424130031431 is an equidigital number, since it uses as much as digits as its factorization.

424130031431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 424130031431 its reverse (134130031424), we get a palindrome (558260062855).

The spelling of 424130031431 in words is "four hundred twenty-four billion, one hundred thirty million, thirty-one thousand, four hundred thirty-one".