318132013 has 16 divisors (see below), whose sum is σ = 337236480. Its totient is φ = 299692800.

The previous prime is 318131993. The next prime is 318132037. The reversal of 318132013 is 310231813.

It is a cyclic number.

It is not a de Polignac number, because 318132013 - 2⁵ = 318131981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318132053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183993 + ... + 185713.

It is an arithmetic number, because the mean of its divisors is an integer number (21077280).

Almost surely, 2^318132013 is an apocalyptic number.

It is an amenable number.

318132013 is a deficient number, since it is larger than the sum of its proper divisors (19104467).

318132013 is a wasteful number, since it uses less digits than its factorization.

318132013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 318132013 is about 17836.2555767740. The cubic root of 318132013 is about 682.6568584887.

Adding to 318132013 its reverse (310231813), we get a palindrome (628363826).

The spelling of 318132013 in words is "three hundred eighteen million, one hundred thirty-two thousand, thirteen".