51512410331 has 2 divisors, whose sum is σ = 51512410332. Its totient is φ = 51512410330.

The previous prime is 51512410273. The next prime is 51512410343. The reversal of 51512410331 is 13301421515.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51512410331 is a prime.

It is a super-2 number, since 2×51512410331² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51512410331.

It is not a weakly prime, because it can be changed into another prime (51512410351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25756205165 + 25756205166.

It is an arithmetic number, because the mean of its divisors is an integer number (25756205166).

Almost surely, 2^51512410331 is an apocalyptic number.

51512410331 is a deficient number, since it is larger than the sum of its proper divisors (1).

51512410331 is an equidigital number, since it uses as much as digits as its factorization.

51512410331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 51512410331 its reverse (13301421515), we get a palindrome (64813831846).

The spelling of 51512410331 in words is "fifty-one billion, five hundred twelve million, four hundred ten thousand, three hundred thirty-one".