5231030531 has 2 divisors, whose sum is σ = 5231030532. Its totient is φ = 5231030530.

The previous prime is 5231030503. The next prime is 5231030533. The reversal of 5231030531 is 1350301325.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5231030531 is a prime.

It is a super-2 number, since 2×5231030531² = 54727360832508283922, which contains 22 as substring.

Together with 5231030533, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 5231030497 and 5231030506.

It is not a weakly prime, because it can be changed into another prime (5231030533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2615515265 + 2615515266.

It is an arithmetic number, because the mean of its divisors is an integer number (2615515266).

Almost surely, 2^5231030531 is an apocalyptic number.

5231030531 is a deficient number, since it is larger than the sum of its proper divisors (1).

5231030531 is an equidigital number, since it uses as much as digits as its factorization.

5231030531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 5231030531 is about 72325.8634998574. The cubic root of 5231030531 is about 1735.9175143042.

Adding to 5231030531 its reverse (1350301325), we get a palindrome (6581331856).

The spelling of 5231030531 in words is "five billion, two hundred thirty-one million, thirty thousand, five hundred thirty-one".