320134342 has 8 divisors (see below), whose sum is σ = 523856232. Its totient is φ = 145515600.

The previous prime is 320134333. The next prime is 320134349. The reversal of 320134342 is 243431023.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 14551561 = 320134342 / (3 + 2 + 0 + 1 + 3 + 4 + 3 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320134349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7275759 + ... + 7275802.

It is an arithmetic number, because the mean of its divisors is an integer number (65482029).

Almost surely, 2^320134342 is an apocalyptic number.

320134342 is a deficient number, since it is larger than the sum of its proper divisors (203721890).

320134342 is a wasteful number, since it uses less digits than its factorization.

320134342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14551574.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 320134342 is about 17892.2983990319. The cubic root of 320134342 is about 684.0860826078.

Adding to 320134342 its reverse (243431023), we get a palindrome (563565365).

The spelling of 320134342 in words is "three hundred twenty million, one hundred thirty-four thousand, three hundred forty-two".