513431147831219 has 2 divisors, whose sum is σ = 513431147831220. Its totient is φ = 513431147831218.

The previous prime is 513431147831197. The next prime is 513431147831243. The reversal of 513431147831219 is 912138741134315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 513431147831219 - 2⁸ = 513431147830963 is a prime.

It is a super-2 number, since 2×513431147831219² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (513431147831519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256715573915609 + 256715573915610.

It is an arithmetic number, because the mean of its divisors is an integer number (256715573915610).

Almost surely, 2^{513431147831219} is an apocalyptic number.

513431147831219 is a deficient number, since it is larger than the sum of its proper divisors (1).

513431147831219 is an equidigital number, since it uses as much as digits as its factorization.

513431147831219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 53.

The spelling of 513431147831219 in words is "five hundred thirteen trillion, four hundred thirty-one billion, one hundred forty-seven million, eight hundred thirty-one thousand, two hundred nineteen".