320506342 has 8 divisors (see below), whose sum is σ = 517741056. Its totient is φ = 147925992.

The previous prime is 320506327. The next prime is 320506363. The reversal of 320506342 is 243605023.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6163558 + ... + 6163609.

It is an arithmetic number, because the mean of its divisors is an integer number (64717632).

Almost surely, 2^320506342 is an apocalyptic number.

320506342 is a deficient number, since it is larger than the sum of its proper divisors (197234714).

320506342 is a wasteful number, since it uses less digits than its factorization.

320506342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12327182.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 320506342 is about 17902.6909150552. The cubic root of 320506342 is about 684.3509521571.

The spelling of 320506342 in words is "three hundred twenty million, five hundred six thousand, three hundred forty-two".