513513242311 has 2 divisors, whose sum is σ = 513513242312. Its totient is φ = 513513242310.

The previous prime is 513513242303. The next prime is 513513242351. The reversal of 513513242311 is 113242315315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 513513242311 - 2³ = 513513242303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513513242351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256756621155 + 256756621156.

It is an arithmetic number, because the mean of its divisors is an integer number (256756621156).

Almost surely, 2^513513242311 is an apocalyptic number.

513513242311 is a deficient number, since it is larger than the sum of its proper divisors (1).

513513242311 is an equidigital number, since it uses as much as digits as its factorization.

513513242311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 31.

Adding to 513513242311 its reverse (113242315315), we get a palindrome (626755557626).

The spelling of 513513242311 in words is "five hundred thirteen billion, five hundred thirteen million, two hundred forty-two thousand, three hundred eleven".