3128330090 has 8 divisors (see below), whose sum is σ = 5630994180. Its totient is φ = 1251332032.

The previous prime is 3128330083. The next prime is 3128330147. The reversal of 3128330090 is 900338213.

It can be written as a sum of positive squares in 2 ways, for example, as 2976029809 + 152300281 = 54553^2 + 12341^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156416495 + ... + 156416514.

Almost surely, 2^3128330090 is an apocalyptic number.

3128330090 is a deficient number, since it is larger than the sum of its proper divisors (2502664090).

3128330090 is a wasteful number, since it uses less digits than its factorization.

3128330090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312833016.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 3128330090 is about 55931.4767371647. The cubic root of 3128330090 is about 1462.5280043339.

The spelling of 3128330090 in words is "three billion, one hundred twenty-eight million, three hundred thirty thousand, ninety".