2831113 has 4 divisors (see below), whose sum is σ = 2857680. Its totient is φ = 2804548.

The previous prime is 2831089. The next prime is 2831141. The reversal of 2831113 is 3111382.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3111382 = 2 ⋅1555691.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2831113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2832113) 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, 13123 + ... + 13336.

It is an arithmetic number, because the mean of its divisors is an integer number (714420).

2^2831113 is an apocalyptic number.

It is an amenable number.

2831113 is a deficient number, since it is larger than the sum of its proper divisors (26567).

2831113 is a wasteful number, since it uses less digits than its factorization.

2831113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26566.

The product of its digits is 144, while the sum is 19.

The square root of 2831113 is about 1682.5911565202. The cubic root of 2831113 is about 141.4661066629.

Adding to 2831113 its reverse (3111382), we get a palindrome (5942495).

The spelling of 2831113 in words is "two million, eight hundred thirty-one thousand, one hundred thirteen".