531311299 has 2 divisors, whose sum is σ = 531311300. Its totient is φ = 531311298.

The previous prime is 531311279. The next prime is 531311317. The reversal of 531311299 is 992113135.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-531311299 is a prime.

It is not a weakly prime, because it can be changed into another prime (531311239) 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 as a sum of consecutive naturals, namely, 265655649 + 265655650.

It is an arithmetic number, because the mean of its divisors is an integer number (265655650).

Almost surely, 2^531311299 is an apocalyptic number.

531311299 is a deficient number, since it is larger than the sum of its proper divisors (1).

531311299 is an equidigital number, since it uses as much as digits as its factorization.

531311299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7290, while the sum is 34.

The square root of 531311299 is about 23050.1908668887. The cubic root of 531311299 is about 809.9340997039.

The spelling of 531311299 in words is "five hundred thirty-one million, three hundred eleven thousand, two hundred ninety-nine".