51431112224 has 12 divisors (see below), whose sum is σ = 101255002254. Its totient is φ = 25715556096.

The previous prime is 51431112203. The next prime is 51431112251. The reversal of 51431112224 is 42221113415.

It is a happy number.

51431112224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 49136702224 + 2294410000 = 221668^2 + 47900^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51431112193 and 51431112202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803611097 + ... + 803611160.

Almost surely, 2^51431112224 is an apocalyptic number.

It is an amenable number.

51431112224 is a deficient number, since it is larger than the sum of its proper divisors (49823890030).

51431112224 is a wasteful number, since it uses less digits than its factorization.

51431112224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607222267 (or 1607222259 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

Adding to 51431112224 its reverse (42221113415), we get a palindrome (93652225639).

The spelling of 51431112224 in words is "fifty-one billion, four hundred thirty-one million, one hundred twelve thousand, two hundred twenty-four".