2431313 has 4 divisors (see below), whose sum is σ = 2435748. Its totient is φ = 2426880.

The previous prime is 2431301. The next prime is 2431321. The reversal of 2431313 is 3131342.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3131342 = 2 ⋅1565671.

It can be written as a sum of positive squares in 2 ways, for example, as 1364224 + 1067089 = 1168^2 + 1033^2 .

It is a cyclic number.

It is not a de Polignac number, because 2431313 - 2¹⁰ = 2430289 is a prime.

It is a super-2 number, since 2×2431313² = 11822565807938, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2431291 and 2431300.

It is not an unprimeable number, because it can be changed into a prime (2431333) 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, 1256 + ... + 2537.

It is an arithmetic number, because the mean of its divisors is an integer number (608937).

2^2431313 is an apocalyptic number.

It is an amenable number.

2431313 is a deficient number, since it is larger than the sum of its proper divisors (4435).

2431313 is an equidigital number, since it uses as much as digits as its factorization.

2431313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4434.

The product of its digits is 216, while the sum is 17.

The square root of 2431313 is about 1559.2668148845. The cubic root of 2431313 is about 134.4663523760.

Adding to 2431313 its reverse (3131342), we get a palindrome (5562655).

It can be divided in two parts, 2431 and 313, that added together give a cube (2744 = 14³).

The spelling of 2431313 in words is "two million, four hundred thirty-one thousand, three hundred thirteen".