51231032 has 16 divisors (see below), whose sum is σ = 96548760. Its totient is φ = 25484704.

The previous prime is 51231007. The next prime is 51231073. The reversal of 51231032 is 23013215.

51231032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51231032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14678 + ... + 17829.

Almost surely, 2^51231032 is an apocalyptic number.

It is an amenable number.

51231032 is a deficient number, since it is larger than the sum of its proper divisors (45317728).

51231032 is a wasteful number, since it uses less digits than its factorization.

51231032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32710 (or 32706 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 51231032 is about 7157.5856264525. The cubic root of 51231032 is about 371.4021112173.

Adding to 51231032 its reverse (23013215), we get a palindrome (74244247).

The spelling of 51231032 in words is "fifty-one million, two hundred thirty-one thousand, thirty-two".