320134351 has 2 divisors, whose sum is σ = 320134352. Its totient is φ = 320134350.

The previous prime is 320134349. The next prime is 320134357. The reversal of 320134351 is 153431023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320134351 - 2¹ = 320134349 is a prime.

Together with 320134349, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320134357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160067175 + 160067176.

It is an arithmetic number, because the mean of its divisors is an integer number (160067176).

Almost surely, 2^320134351 is an apocalyptic number.

320134351 is a deficient number, since it is larger than the sum of its proper divisors (1).

320134351 is an equidigital number, since it uses as much as digits as its factorization.

320134351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 320134351 is about 17892.2986505368. The cubic root of 320134351 is about 684.0860890184.

Adding to 320134351 its reverse (153431023), we get a palindrome (473565374).

The spelling of 320134351 in words is "three hundred twenty million, one hundred thirty-four thousand, three hundred fifty-one".