2180313 has 6 divisors (see below), whose sum is σ = 3149354. Its totient is φ = 1453536.

The previous prime is 2180303. The next prime is 2180329. The reversal of 2180313 is 3130812.

It can be written as a sum of positive squares in only one way, i.e., 2152089 + 28224 = 1467^2 + 168^2 .

It is not a de Polignac number, because 2180313 - 2⁵ = 2180281 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2180303) 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, 121120 + ... + 121137.

2^2180313 is an apocalyptic number.

It is an amenable number.

2180313 is a deficient number, since it is larger than the sum of its proper divisors (969041).

2180313 is a wasteful number, since it uses less digits than its factorization.

2180313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242263 (or 242260 counting only the distinct ones).

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

The square root of 2180313 is about 1476.5882973937. The cubic root of 2180313 is about 129.6700310239.

The spelling of 2180313 in words is "two million, one hundred eighty thousand, three hundred thirteen".