51316323230 has 16 divisors (see below), whose sum is σ = 92885415120. Its totient is φ = 20411855232.

The previous prime is 51316323203. The next prime is 51316323241. The reversal of 51316323230 is 3232361315.

It is a junction number, because it is equal to n+sod(n) for n = 51316323193 and 51316323202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14332379 + ... + 14335958.

It is an arithmetic number, because the mean of its divisors is an integer number (5805338445).

Almost surely, 2^51316323230 is an apocalyptic number.

51316323230 is a deficient number, since it is larger than the sum of its proper divisors (41569091890).

51316323230 is a wasteful number, since it uses less digits than its factorization.

51316323230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28668523.

The product of its (nonzero) digits is 9720, while the sum is 29.

Adding to 51316323230 its reverse (3232361315), we get a palindrome (54548684545).

The spelling of 51316323230 in words is "fifty-one billion, three hundred sixteen million, three hundred twenty-three thousand, two hundred thirty".