51317071306 has 16 divisors (see below), whose sum is σ = 77414952960. Its totient is φ = 25512213520.

The previous prime is 51317071303. The next prime is 51317071327. The reversal of 51317071306 is 60317071315.

It is not an unprimeable number, because it can be changed into a prime (51317071303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812640 + ... + 873508.

It is an arithmetic number, because the mean of its divisors is an integer number (4838434560).

Almost surely, 2^51317071306 is an apocalyptic number.

51317071306 is a deficient number, since it is larger than the sum of its proper divisors (26097881654).

51317071306 is a wasteful number, since it uses less digits than its factorization.

51317071306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63269.

The product of its (nonzero) digits is 13230, while the sum is 34.

Subtracting 51317071306 from its reverse (60317071315), we obtain a palindrome (9000000009).

The spelling of 51317071306 in words is "fifty-one billion, three hundred seventeen million, seventy-one thousand, three hundred six".