51214631304630 has 64 divisors (see below), whose sum is σ = 129386009687040. Its totient is φ = 12938265374976.

The previous prime is 51214631304619. The next prime is 51214631304643. The reversal of 51214631304630 is 3640313641215.

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 46781994 + ... + 47864226.

It is an arithmetic number, because the mean of its divisors is an integer number (2021656401360).

Almost surely, 2^{51214631304630} is an apocalyptic number.

51214631304630 is an abundant number, since it is smaller than the sum of its proper divisors (78171378382410).

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

51214631304630 is a wasteful number, since it uses less digits than its factorization.

51214631304630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165285.

The product of its (nonzero) digits is 155520, while the sum is 39.

Adding to 51214631304630 its reverse (3640313641215), we get a palindrome (54854944945845).

The spelling of 51214631304630 in words is "fifty-one trillion, two hundred fourteen billion, six hundred thirty-one million, three hundred four thousand, six hundred thirty".