5231132128 has 12 divisors (see below), whose sum is σ = 10298791440. Its totient is φ = 2615566048.

The previous prime is 5231132099. The next prime is 5231132129. The reversal of 5231132128 is 8212311325.

It is a junction number, because it is equal to n+sod(n) for n = 5231132096 and 5231132105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5231132129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81736408 + ... + 81736471.

It is an arithmetic number, because the mean of its divisors is an integer number (858232620).

Almost surely, 2^5231132128 is an apocalyptic number.

It is an amenable number.

5231132128 is a deficient number, since it is larger than the sum of its proper divisors (5067659312).

5231132128 is a wasteful number, since it uses less digits than its factorization.

5231132128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163472889 (or 163472881 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 5231132128 is about 72326.5658523893. The cubic root of 5231132128 is about 1735.9287525532.

The spelling of 5231132128 in words is "five billion, two hundred thirty-one million, one hundred thirty-two thousand, one hundred twenty-eight".