318137106 has 24 divisors (see below), whose sum is σ = 740156400. Its totient is φ = 90896232.

The previous prime is 318137089. The next prime is 318137117. The reversal of 318137106 is 601731813.

It is a super-2 number, since 2×318137106² = 202422436428110472, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 540756 + ... + 541343.

It is an arithmetic number, because the mean of its divisors is an integer number (30839850).

Almost surely, 2^318137106 is an apocalyptic number.

318137106 is an abundant number, since it is smaller than the sum of its proper divisors (422019294).

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

318137106 is a wasteful number, since it uses less digits than its factorization.

318137106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082118 (or 1082111 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 318137106 is about 17836.3983472000. The cubic root of 318137106 is about 682.6605013714.

Adding to 318137106 its reverse (601731813), we get a palindrome (919868919).

The spelling of 318137106 in words is "three hundred eighteen million, one hundred thirty-seven thousand, one hundred six".