561314311 has 2 divisors, whose sum is σ = 561314312. Its totient is φ = 561314310.

The previous prime is 561314293. The next prime is 561314329. The reversal of 561314311 is 113413165.

561314311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (561314293) and next prime (561314329).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-561314311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561314911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280657155 + 280657156.

It is an arithmetic number, because the mean of its divisors is an integer number (280657156).

Almost surely, 2^561314311 is an apocalyptic number.

561314311 is a deficient number, since it is larger than the sum of its proper divisors (1).

561314311 is an equidigital number, since it uses as much as digits as its factorization.

561314311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 25.

The square root of 561314311 is about 23692.0727459629. The cubic root of 561314311 is about 824.9013955002.

Adding to 561314311 its reverse (113413165), we get a palindrome (674727476).

The spelling of 561314311 in words is "five hundred sixty-one million, three hundred fourteen thousand, three hundred eleven".