320351042 has 8 divisors (see below), whose sum is σ = 524210832. Its totient is φ = 145614100.

The previous prime is 320351029. The next prime is 320351063. The reversal of 320351042 is 240153023.

It is a happy number.

320351042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×320351042² = 205249580220971528, which contains 22 as substring.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 7280684 + ... + 7280727.

It is an arithmetic number, because the mean of its divisors is an integer number (65526354).

Almost surely, 2^320351042 is an apocalyptic number.

320351042 is a deficient number, since it is larger than the sum of its proper divisors (203859790).

320351042 is a wasteful number, since it uses less digits than its factorization.

320351042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14561424.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 320351042 is about 17898.3530527253. The cubic root of 320351042 is about 684.2404011743.

It can be divided in two parts, 3203 and 51042, that added together give a palindrome (54245).

The spelling of 320351042 in words is "three hundred twenty million, three hundred fifty-one thousand, forty-two".