51031040230 has 32 divisors (see below), whose sum is σ = 94486639968. Its totient is φ = 19835865600.

The previous prime is 51031040219. The next prime is 51031040233. The reversal of 51031040230 is 3204013015.

It is a junction number, because it is equal to n+sod(n) for n = 51031040198 and 51031040207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51031040233) 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, 453331 + ... + 554590.

It is an arithmetic number, because the mean of its divisors is an integer number (2952707499).

Almost surely, 2^51031040230 is an apocalyptic number.

51031040230 is a deficient number, since it is larger than the sum of its proper divisors (43455599738).

51031040230 is a wasteful number, since it uses less digits than its factorization.

51031040230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008072.

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 51031040230 its reverse (3204013015), we get a palindrome (54235053245).

The spelling of 51031040230 in words is "fifty-one billion, thirty-one million, forty thousand, two hundred thirty".