51300316230 has 128 divisors (see below), whose sum is σ = 129215471616. Its totient is φ = 13021680000.

The previous prime is 51300316211. The next prime is 51300316253. The reversal of 51300316230 is 3261300315.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51300316230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15216445 + ... + 15219815.

It is an arithmetic number, because the mean of its divisors is an integer number (1009495872).

Almost surely, 2^51300316230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51300316230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64607735808).

51300316230 is an abundant number, since it is smaller than the sum of its proper divisors (77915155386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51300316230 is a wasteful number, since it uses less digits than its factorization.

51300316230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3722.

The product of its (nonzero) digits is 1620, while the sum is 24.

Adding to 51300316230 its reverse (3261300315), we get a palindrome (54561616545).

The spelling of 51300316230 in words is "fifty-one billion, three hundred million, three hundred sixteen thousand, two hundred thirty".