531341311 has 2 divisors, whose sum is σ = 531341312. Its totient is φ = 531341310.

The previous prime is 531341287. The next prime is 531341339. The reversal of 531341311 is 113143135.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 531341311 - 2¹⁵ = 531308543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531341011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265670655 + 265670656.

It is an arithmetic number, because the mean of its divisors is an integer number (265670656).

Almost surely, 2^531341311 is an apocalyptic number.

531341311 is a deficient number, since it is larger than the sum of its proper divisors (1).

531341311 is an equidigital number, since it uses as much as digits as its factorization.

531341311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540, while the sum is 22.

The square root of 531341311 is about 23050.8418718276. The cubic root of 531341311 is about 809.9493495738.

Adding to 531341311 its reverse (113143135), we get a palindrome (644484446).

It can be divided in two parts, 53134 and 1311, that added together give a palindrome (54445).

The spelling of 531341311 in words is "five hundred thirty-one million, three hundred forty-one thousand, three hundred eleven".