3128227730 has 8 divisors (see below), whose sum is σ = 5630809932. Its totient is φ = 1251291088.

The previous prime is 3128227699. The next prime is 3128227759. The reversal of 3128227730 is 377228213.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3085469209 + 42758521 = 55547^2 + 6539^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 156411377 + ... + 156411396.

Almost surely, 2^3128227730 is an apocalyptic number.

3128227730 is a deficient number, since it is larger than the sum of its proper divisors (2502582202).

3128227730 is a wasteful number, since it uses less digits than its factorization.

3128227730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312822780.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 3128227730 is about 55930.5616814278. The cubic root of 3128227730 is about 1462.5120526925.

The spelling of 3128227730 in words is "three billion, one hundred twenty-eight million, two hundred twenty-seven thousand, seven hundred thirty".