320315108 has 6 divisors (see below), whose sum is σ = 560551446. Its totient is φ = 160157552.

The previous prime is 320315101. The next prime is 320315113. The reversal of 320315108 is 801513023.

It can be written as a sum of positive squares in only one way, i.e., 319622884 + 692224 = 17878^2 + 832^2 .

It is not an unprimeable number, because it can be changed into a prime (320315101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40039385 + ... + 40039392.

It is an arithmetic number, because the mean of its divisors is an integer number (93425241).

Almost surely, 2^320315108 is an apocalyptic number.

It is an amenable number.

320315108 is a deficient number, since it is larger than the sum of its proper divisors (240236338).

320315108 is a wasteful number, since it uses less digits than its factorization.

320315108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80078781 (or 80078779 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 320315108 is about 17897.3491891956. The cubic root of 320315108 is about 684.2148163099.

The spelling of 320315108 in words is "three hundred twenty million, three hundred fifteen thousand, one hundred eight".