512306331630 has 32 divisors (see below), whose sum is σ = 1235048822784. Its totient is φ = 136002396576.

The previous prime is 512306331599. The next prime is 512306331631. The reversal of 512306331630 is 36133603215.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 512306331591 and 512306331600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512306331631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38282274 + ... + 38295653.

It is an arithmetic number, because the mean of its divisors is an integer number (38595275712).

Almost surely, 2^512306331630 is an apocalyptic number.

512306331630 is an abundant number, since it is smaller than the sum of its proper divisors (722742491154).

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

512306331630 is a wasteful number, since it uses less digits than its factorization.

512306331630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76578160.

The product of its (nonzero) digits is 29160, while the sum is 33.

Adding to 512306331630 its reverse (36133603215), we get a palindrome (548439934845).

The spelling of 512306331630 in words is "five hundred twelve billion, three hundred six million, three hundred thirty-one thousand, six hundred thirty".