5131214231 has 16 divisors (see below), whose sum is σ = 6030302208. Its totient is φ = 4304469600.

The previous prime is 5131214219. The next prime is 5131214243. The reversal of 5131214231 is 1324121315.

It is an interprime number because it is at equal distance from previous prime (5131214219) and next prime (5131214243).

It is a cyclic number.

It is not a de Polignac number, because 5131214231 - 2³⁰ = 4057472407 is a prime.

It is a super-2 number, since 2×5131214231² = 52658718968833842722, 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 = 5131214197 and 5131214206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5131216231) 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 15 ways as a sum of consecutive naturals, for example, 773330 + ... + 779936.

It is an arithmetic number, because the mean of its divisors is an integer number (376893888).

Almost surely, 2^5131214231 is an apocalyptic number.

5131214231 is a deficient number, since it is larger than the sum of its proper divisors (899087977).

5131214231 is a wasteful number, since it uses less digits than its factorization.

5131214231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12062.

The product of its digits is 720, while the sum is 23.

The square root of 5131214231 is about 71632.4942396954. The cubic root of 5131214231 is about 1724.8051848604.

Adding to 5131214231 its reverse (1324121315), we get a palindrome (6455335546).

The spelling of 5131214231 in words is "five billion, one hundred thirty-one million, two hundred fourteen thousand, two hundred thirty-one".