318028012 has 6 divisors (see below), whose sum is σ = 556549028. Its totient is φ = 159014004.

The previous prime is 318028001. The next prime is 318028049. The reversal of 318028012 is 210820813.

It is a super-2 number, since 2×318028012² = 202283632833344288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39753498 + ... + 39753505.

Almost surely, 2^318028012 is an apocalyptic number.

It is an amenable number.

318028012 is a deficient number, since it is larger than the sum of its proper divisors (238521016).

318028012 is a wasteful number, since it uses less digits than its factorization.

318028012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79507007 (or 79507005 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 318028012 is about 17833.3399003103. The cubic root of 318028012 is about 682.5824609315.

Adding to 318028012 its reverse (210820813), we get a palindrome (528848825).

The spelling of 318028012 in words is "three hundred eighteen million, twenty-eight thousand, twelve".