318343146 has 16 divisors (see below), whose sum is σ = 694567008. Its totient is φ = 96467600.

The previous prime is 318343117. The next prime is 318343163. The reversal of 318343146 is 641343813.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2411625 + ... + 2411756.

It is an arithmetic number, because the mean of its divisors is an integer number (43410438).

Almost surely, 2^318343146 is an apocalyptic number.

318343146 is an abundant number, since it is smaller than the sum of its proper divisors (376223862).

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

318343146 is a wasteful number, since it uses less digits than its factorization.

318343146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4823397.

The product of its digits is 20736, while the sum is 33.

The square root of 318343146 is about 17842.1732420689. The cubic root of 318343146 is about 682.8078435216.

Adding to 318343146 its reverse (641343813), we get a palindrome (959686959).

It can be divided in two parts, 31834 and 3146, that added together give a triangular number (34980 = T₂₆₄).

The spelling of 318343146 in words is "three hundred eighteen million, three hundred forty-three thousand, one hundred forty-six".