4340531243 has 2 divisors, whose sum is σ = 4340531244. Its totient is φ = 4340531242.

The previous prime is 4340531233. The next prime is 4340531287. The reversal of 4340531243 is 3421350434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4340531243 - 2⁶ = 4340531179 is a prime.

It is a super-2 number, since 2×4340531243² = 37680422942918250098, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (4340531213) 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, 2170265621 + 2170265622.

It is an arithmetic number, because the mean of its divisors is an integer number (2170265622).

Almost surely, 2^4340531243 is an apocalyptic number.

4340531243 is a deficient number, since it is larger than the sum of its proper divisors (1).

4340531243 is an equidigital number, since it uses as much as digits as its factorization.

4340531243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 4340531243 is about 65882.7082245410. The cubic root of 4340531243 is about 1631.2266029184.

Adding to 4340531243 its reverse (3421350434), we get a palindrome (7761881677).

The spelling of 4340531243 in words is "four billion, three hundred forty million, five hundred thirty-one thousand, two hundred forty-three".