134344430431 has 2 divisors, whose sum is σ = 134344430432. Its totient is φ = 134344430430.

The previous prime is 134344430411. The next prime is 134344430459. The reversal of 134344430431 is 134034443431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134344430431 - 2¹⁷ = 134344299359 is a prime.

It is a super-2 number, since 2×134344430431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134344430411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67172215215 + 67172215216.

It is an arithmetic number, because the mean of its divisors is an integer number (67172215216).

Almost surely, 2^134344430431 is an apocalyptic number.

134344430431 is a deficient number, since it is larger than the sum of its proper divisors (1).

134344430431 is an equidigital number, since it uses as much as digits as its factorization.

134344430431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 134344430431 its reverse (134034443431), we get a palindrome (268378873862).

The spelling of 134344430431 in words is "one hundred thirty-four billion, three hundred forty-four million, four hundred thirty thousand, four hundred thirty-one".