2116313 has 4 divisors (see below), whose sum is σ = 2240820. Its totient is φ = 1991808.

The previous prime is 2116307. The next prime is 2116327. The reversal of 2116313 is 3136112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 868624 + 1247689 = 932^2 + 1117^2 .

It is a cyclic number.

It is not a de Polignac number, because 2116313 - 2¹² = 2112217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 124489 = 2116313 / (2 + 1 + 1 + 6 + 3 + 1 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2116291 and 2116300.

It is not an unprimeable number, because it can be changed into a prime (2116393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62228 + ... + 62261.

It is an arithmetic number, because the mean of its divisors is an integer number (560205).

2^2116313 is an apocalyptic number.

It is an amenable number.

2116313 is a deficient number, since it is larger than the sum of its proper divisors (124507).

2116313 is a wasteful number, since it uses less digits than its factorization.

2116313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124506.

The product of its digits is 108, while the sum is 17.

The square root of 2116313 is about 1454.7553058848. The cubic root of 2116313 is about 128.3886502780.

The spelling of 2116313 in words is "two million, one hundred sixteen thousand, three hundred thirteen".