2813331 has 4 divisors (see below), whose sum is σ = 3751112. Its totient is φ = 1875552.

The previous prime is 2813329. The next prime is 2813333. The reversal of 2813331 is 1333182.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (2813329) and next prime (2813333).

It is not a de Polignac number, because 2813331 - 2¹ = 2813329 is a prime.

It is a super-2 number, since 2×2813331² = 15829662631122, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2813298 and 2813307.

It is not an unprimeable number, because it can be changed into a prime (2813333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 468886 + ... + 468891.

It is an arithmetic number, because the mean of its divisors is an integer number (937778).

2^2813331 is an apocalyptic number.

2813331 is a deficient number, since it is larger than the sum of its proper divisors (937781).

2813331 is an equidigital number, since it uses as much as digits as its factorization.

2813331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937780.

The product of its digits is 432, while the sum is 21.

The square root of 2813331 is about 1677.2987211585. The cubic root of 2813331 is about 141.1693052021.

The spelling of 2813331 in words is "two million, eight hundred thirteen thousand, three hundred thirty-one".