318010109 has 6 divisors (see below), whose sum is σ = 337817274. Its totient is φ = 299303360.

The previous prime is 318010103. The next prime is 318010111. The reversal of 318010109 is 901010813.

It can be written as a sum of positive squares in 3 ways, for example, as 117787609 + 200222500 = 10853^2 + 14150^2 .

It is not a de Polignac number, because 318010109 - 2¹⁶ = 317944573 is a prime.

It is a super-2 number, since 2×318010109² = 202260858852383762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318010103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 549902 + ... + 550479.

It is an arithmetic number, because the mean of its divisors is an integer number (56302879).

Almost surely, 2^318010109 is an apocalyptic number.

It is an amenable number.

318010109 is a deficient number, since it is larger than the sum of its proper divisors (19807165).

318010109 is a wasteful number, since it uses less digits than its factorization.

318010109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100415 (or 1100398 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 318010109 is about 17832.8379401597. The cubic root of 318010109 is about 682.5696523081.

The spelling of 318010109 in words is "three hundred eighteen million, ten thousand, one hundred nine".