2531344531 has 2 divisors, whose sum is σ = 2531344532. Its totient is φ = 2531344530.

The previous prime is 2531344507. The next prime is 2531344561. The reversal of 2531344531 is 1354431352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2531344531 - 2⁵ = 2531344499 is a prime.

It is a super-2 number, since 2×2531344531² = 12815410269247219922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2531344493 and 2531344502.

It is not a weakly prime, because it can be changed into another prime (2531344561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265672265 + 1265672266.

It is an arithmetic number, because the mean of its divisors is an integer number (1265672266).

Almost surely, 2^2531344531 is an apocalyptic number.

2531344531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2531344531 is an equidigital number, since it uses as much as digits as its factorization.

2531344531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 31.

The square root of 2531344531 is about 50312.4689416053. The cubic root of 2531344531 is about 1362.8574097686.

Adding to 2531344531 its reverse (1354431352), we get a palindrome (3885775883).

The spelling of 2531344531 in words is "two billion, five hundred thirty-one million, three hundred forty-four thousand, five hundred thirty-one".