320313016 has 16 divisors (see below), whose sum is σ = 606534840. Its totient is φ = 158570400.

The previous prime is 320312989. The next prime is 320313017. The reversal of 320313016 is 610313023.

It is a junction number, because it is equal to n+sod(n) for n = 320312984 and 320313002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320313017) 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, 197406 + ... + 199021.

Almost surely, 2^320313016 is an apocalyptic number.

It is an amenable number.

320313016 is a deficient number, since it is larger than the sum of its proper divisors (286221824).

320313016 is a wasteful number, since it uses less digits than its factorization.

320313016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396534 (or 396530 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 320313016 is about 17897.2907446909. The cubic root of 320313016 is about 684.2133267553.

Adding to 320313016 its reverse (610313023), we get a palindrome (930626039).

The spelling of 320313016 in words is "three hundred twenty million, three hundred thirteen thousand, sixteen".