3128428333 has 4 divisors (see below), whose sum is σ = 3229345408. Its totient is φ = 3027511260.

The previous prime is 3128428301. The next prime is 3128428343. The reversal of 3128428333 is 3338248213.

3128428333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3128428333 - 2⁵ = 3128428301 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3128428292 and 3128428301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3128428343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50458491 + ... + 50458552.

It is an arithmetic number, because the mean of its divisors is an integer number (807336352).

Almost surely, 2^3128428333 is an apocalyptic number.

It is an amenable number.

3128428333 is a deficient number, since it is larger than the sum of its proper divisors (100917075).

3128428333 is a wasteful number, since it uses less digits than its factorization.

3128428333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100917074.

The product of its digits is 82944, while the sum is 37.

The square root of 3128428333 is about 55932.3549745583. The cubic root of 3128428333 is about 1462.5433140604.

The spelling of 3128428333 in words is "three billion, one hundred twenty-eight million, four hundred twenty-eight thousand, three hundred thirty-three".