5131313 has 4 divisors (see below), whose sum is σ = 5597808. Its totient is φ = 4664820.

The previous prime is 5131307. The next prime is 5131333. The reversal of 5131313 is 3131315.

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.

It is a cyclic number.

It is not a de Polignac number, because 5131313 - 2⁶ = 5131249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5131291 and 5131300.

It is not an unprimeable number, because it can be changed into a prime (5131333) 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, 233231 + ... + 233252.

It is an arithmetic number, because the mean of its divisors is an integer number (1399452).

Almost surely, 2^5131313 is an apocalyptic number.

It is an amenable number.

5131313 is a deficient number, since it is larger than the sum of its proper divisors (466495).

5131313 is a wasteful number, since it uses less digits than its factorization.

5131313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466494.

The product of its digits is 135, while the sum is 17.

The square root of 5131313 is about 2265.2401638678. The cubic root of 5131313 is about 172.4816251519.

Adding to 5131313 its reverse (3131315), we get a palindrome (8262628).

The spelling of 5131313 in words is "five million, one hundred thirty-one thousand, three hundred thirteen".