318680036 has 6 divisors (see below), whose sum is σ = 557690070. Its totient is φ = 159340016.

The previous prime is 318680029. The next prime is 318680039. The reversal of 318680036 is 630086813.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 290907136 + 27772900 = 17056^2 + 5270^2 .

It is a super-2 number, since 2×318680036² = 203113930689922592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 318679978 and 318680005.

It is not an unprimeable number, because it can be changed into a prime (318680039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39835001 + ... + 39835008.

It is an arithmetic number, because the mean of its divisors is an integer number (92948345).

Almost surely, 2^318680036 is an apocalyptic number.

It is an amenable number.

318680036 is a deficient number, since it is larger than the sum of its proper divisors (239010034).

318680036 is a wasteful number, since it uses less digits than its factorization.

318680036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79670013 (or 79670011 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 318680036 is about 17851.6115799106. The cubic root of 318680036 is about 683.0486214794.

The spelling of 318680036 in words is "three hundred eighteen million, six hundred eighty thousand, thirty-six".