1317420318 has 16 divisors (see below), whose sum is σ = 2635624080. Its totient is φ = 439009536.

The previous prime is 1317420281. The next prime is 1317420343. The reversal of 1317420318 is 8130247131.

1317420318 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1317420318² = 3471192588558442248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9523 + ... + 52206.

It is an arithmetic number, because the mean of its divisors is an integer number (164726505).

Almost surely, 2^1317420318 is an apocalyptic number.

1317420318 is an abundant number, since it is smaller than the sum of its proper divisors (1318203762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1317420318 is a wasteful number, since it uses less digits than its factorization.

1317420318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65291.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1317420318 is about 36296.2851818199. The cubic root of 1317420318 is about 1096.2462456408.

Adding to 1317420318 its reverse (8130247131), we get a palindrome (9447667449).

The spelling of 1317420318 in words is "one billion, three hundred seventeen million, four hundred twenty thousand, three hundred eighteen".