5131323 has 16 divisors (see below), whose sum is σ = 7933440. Its totient is φ = 3271752.

The previous prime is 5131307. The next prime is 5131333. The reversal of 5131323 is 3231315.

It is not a de Polignac number, because 5131323 - 2⁴ = 5131307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5131296 and 5131305.

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 15 ways as a sum of consecutive naturals, for example, 3511 + ... + 4752.

It is an arithmetic number, because the mean of its divisors is an integer number (495840).

Almost surely, 2^5131323 is an apocalyptic number.

5131323 is a deficient number, since it is larger than the sum of its proper divisors (2802117).

5131323 is a wasteful number, since it uses less digits than its factorization.

5131323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8295 (or 8289 counting only the distinct ones).

The product of its digits is 270, while the sum is 18.

The square root of 5131323 is about 2265.2423711382. The cubic root of 5131323 is about 172.4817371970.

Adding to 5131323 its reverse (3231315), we get a palindrome (8362638).

It can be divided in two parts, 5 and 131323, that added together give a triangular number (131328 = T₅₁₂).

The spelling of 5131323 in words is "five million, one hundred thirty-one thousand, three hundred twenty-three".