51030313206 has 32 divisors (see below), whose sum is σ = 102834023040. Its totient is φ = 16881274176.

The previous prime is 51030313133. The next prime is 51030313211. The reversal of 51030313206 is 60231303015.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 4251145 + ... + 4263131.

It is an arithmetic number, because the mean of its divisors is an integer number (3213563220).

Almost surely, 2^51030313206 is an apocalyptic number.

51030313206 is an abundant number, since it is smaller than the sum of its proper divisors (51803709834).

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

51030313206 is a wasteful number, since it uses less digits than its factorization.

51030313206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17308.

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

The spelling of 51030313206 in words is "fifty-one billion, thirty million, three hundred thirteen thousand, two hundred six".