51031043332 has 12 divisors (see below), whose sum is σ = 89469402316. Its totient is φ = 25468356960.

The previous prime is 51031043303. The next prime is 51031043333. The reversal of 51031043332 is 23334013015.

It can be written as a sum of positive squares in 2 ways, for example, as 31814429956 + 19216613376 = 178366^2 + 138624^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51031043297 and 51031043306.

It is not an unprimeable number, because it can be changed into a prime (51031043333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11788743 + ... + 11793070.

Almost surely, 2^51031043332 is an apocalyptic number.

It is an amenable number.

51031043332 is a deficient number, since it is larger than the sum of its proper divisors (38438358984).

51031043332 is a wasteful number, since it uses less digits than its factorization.

51031043332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23582358 (or 23582356 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 51031043332 its reverse (23334013015), we get a palindrome (74365056347).

The spelling of 51031043332 in words is "fifty-one billion, thirty-one million, forty-three thousand, three hundred thirty-two".