2831313 has 8 divisors (see below), whose sum is σ = 3846528. Its totient is φ = 1851824.

The previous prime is 2831293. The next prime is 2831317. The reversal of 2831313 is 3131382.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2831313 - 2⁹ = 2830801 is a prime.

2831313 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2831313.

It is not an unprimeable number, because it can be changed into a prime (2831317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8745 + ... + 9062.

It is an arithmetic number, because the mean of its divisors is an integer number (480816).

2^2831313 is an apocalyptic number.

It is an amenable number.

2831313 is a deficient number, since it is larger than the sum of its proper divisors (1015215).

2831313 is a wasteful number, since it uses less digits than its factorization.

2831313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17863.

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

The square root of 2831313 is about 1682.6505876147. The cubic root of 2831313 is about 141.4694378092.

Adding to 2831313 its reverse (3131382), we get a palindrome (5962695).

It can be divided in two parts, 283 and 1313, that added together give a triangular number (1596 = T₅₆).

The spelling of 2831313 in words is "two million, eight hundred thirty-one thousand, three hundred thirteen".