1317018028 has 12 divisors (see below), whose sum is σ = 2305254952. Its totient is φ = 658373760.

The previous prime is 1317018023. The next prime is 1317018029. The reversal of 1317018028 is 8208107131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1317018023) 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, 10050 + ... + 52297.

Almost surely, 2^1317018028 is an apocalyptic number.

It is an amenable number.

1317018028 is a deficient number, since it is larger than the sum of its proper divisors (988236924).

1317018028 is a wasteful number, since it uses less digits than its factorization.

1317018028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67632 (or 67630 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 1317018028 is about 36290.7430069984. The cubic root of 1317018028 is about 1096.1346503276.

The spelling of 1317018028 in words is "one billion, three hundred seventeen million, eighteen thousand, twenty-eight".