229831152128 has 30 divisors (see below), whose sum is σ = 459235090611. Its totient is φ = 114910152192.

The previous prime is 229831152073. The next prime is 229831152139. The reversal of 229831152128 is 821251138922.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 114915576064 + 114915576064 = 338992^2 + 338992^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=338992.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 10837151 + ... + 10858337.

Almost surely, 2^229831152128 is an apocalyptic number.

It is an amenable number.

229831152128 is a deficient number, since it is larger than the sum of its proper divisors (229403938483).

229831152128 is an frugal number, since it uses more digits than its factorization.

229831152128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42392 (or 21189 counting only the distinct ones).

The product of its digits is 138240, while the sum is 44.

The spelling of 229831152128 in words is "two hundred twenty-nine billion, eight hundred thirty-one million, one hundred fifty-two thousand, one hundred twenty-eight".