134310431 has 2 divisors, whose sum is σ = 134310432. Its totient is φ = 134310430.

The previous prime is 134310403. The next prime is 134310433. The reversal of 134310431 is 134013431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134310431 - 2¹⁰ = 134309407 is a prime.

It is a super-2 number, since 2×134310431² = 36078583750811522, which contains 22 as substring.

Together with 134310433, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134310433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67155215 + 67155216.

It is an arithmetic number, because the mean of its divisors is an integer number (67155216).

Almost surely, 2^134310431 is an apocalyptic number.

134310431 is a deficient number, since it is larger than the sum of its proper divisors (1).

134310431 is an equidigital number, since it uses as much as digits as its factorization.

134310431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 134310431 is about 11589.2377229911. The cubic root of 134310431 is about 512.1178508315.

Adding to 134310431 its reverse (134013431), we get a palindrome (268323862).

The spelling of 134310431 in words is "one hundred thirty-four million, three hundred ten thousand, four hundred thirty-one".