516343301231 has 2 divisors, whose sum is σ = 516343301232. Its totient is φ = 516343301230.

The previous prime is 516343301219. The next prime is 516343301261. The reversal of 516343301231 is 132103343615.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-516343301231 is a prime.

It is a super-2 number, since 2×516343301231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516343301261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258171650615 + 258171650616.

It is an arithmetic number, because the mean of its divisors is an integer number (258171650616).

Almost surely, 2^516343301231 is an apocalyptic number.

516343301231 is a deficient number, since it is larger than the sum of its proper divisors (1).

516343301231 is an equidigital number, since it uses as much as digits as its factorization.

516343301231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 32.

Adding to 516343301231 its reverse (132103343615), we get a palindrome (648446644846).

The spelling of 516343301231 in words is "five hundred sixteen billion, three hundred forty-three million, three hundred one thousand, two hundred thirty-one".