318513064 has 16 divisors (see below), whose sum is σ = 597460500. Its totient is φ = 159190272.

The previous prime is 318513059. The next prime is 318513067. The reversal of 318513064 is 460315813.

It can be written as a sum of positive squares in 2 ways, for example, as 311804964 + 6708100 = 17658^2 + 2590^2 .

It is not an unprimeable number, because it can be changed into a prime (318513067) 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, 16512 + ... + 30160.

Almost surely, 2^318513064 is an apocalyptic number.

It is an amenable number.

318513064 is a deficient number, since it is larger than the sum of its proper divisors (278947436).

318513064 is a wasteful number, since it uses less digits than its factorization.

318513064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16572 (or 16568 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 318513064 is about 17846.9343025630. The cubic root of 318513064 is about 682.9293064862.

Adding to 318513064 its reverse (460315813), we get a palindrome (778828877).

The spelling of 318513064 in words is "three hundred eighteen million, five hundred thirteen thousand, sixty-four".