316018 has 4 divisors (see below), whose sum is σ = 474030. Its totient is φ = 158008.

The previous prime is 316003. The next prime is 316031. The reversal of 316018 is 810613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 810613 = 743 ⋅1091.

It can be written as a sum of positive squares in only one way, i.e., 173889 + 142129 = 417^2 + 377^2 .

It is a junction number, because it is equal to n+sod(n) for n = 315986 and 316004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79003 + ... + 79006.

2³¹⁶⁰¹⁸ is an apocalyptic number.

316018 is a deficient number, since it is larger than the sum of its proper divisors (158012).

316018 is a wasteful number, since it uses less digits than its factorization.

316018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158011.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 316018 is about 562.1547829557. The cubic root of 316018 is about 68.1141393342.

The spelling of 316018 in words is "three hundred sixteen thousand, eighteen".