2130318 has 24 divisors (see below), whose sum is σ = 4859400. Its totient is φ = 672624.

The previous prime is 2130307. The next prime is 2130341. The reversal of 2130318 is 8130312.

It is a super-2 number, since 2×2130318² = 9076509562248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 2130318.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2773 + ... + 3456.

It is an arithmetic number, because the mean of its divisors is an integer number (202475).

2^2130318 is an apocalyptic number.

2130318 is an abundant number, since it is smaller than the sum of its proper divisors (2729082).

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

2130318 is a wasteful number, since it uses less digits than its factorization.

2130318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6256 (or 6253 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2130318 is about 1459.5608928716. The cubic root of 2130318 is about 128.6712378425.

It can be divided in two parts, 21303 and 18, that added together give a triangular number (21321 = T₂₀₆).

The spelling of 2130318 in words is "two million, one hundred thirty thousand, three hundred eighteen".