5131011323 has 4 divisors (see below), whose sum is σ = 5131228440. Its totient is φ = 5130794208.

The previous prime is 5131011317. The next prime is 5131011329. The reversal of 5131011323 is 3231101315.

5131011323 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (5131011317) and next prime (5131011329).

It is a cyclic number.

It is not a de Polignac number, because 5131011323 - 2¹⁰ = 5131010299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5131011295 and 5131011304.

It is not an unprimeable number, because it can be changed into a prime (5131011329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68078 + ... + 122051.

It is an arithmetic number, because the mean of its divisors is an integer number (1282807110).

Almost surely, 2^5131011323 is an apocalyptic number.

5131011323 is a deficient number, since it is larger than the sum of its proper divisors (217117).

5131011323 is a wasteful number, since it uses less digits than its factorization.

5131011323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217116.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 5131011323 is about 71631.0779131516. The cubic root of 5131011323 is about 1724.7824494111.

Adding to 5131011323 its reverse (3231101315), we get a palindrome (8362112638).

The spelling of 5131011323 in words is "five billion, one hundred thirty-one million, eleven thousand, three hundred twenty-three".