3128008213 has 8 divisors (see below), whose sum is σ = 3421525536. Its totient is φ = 2836016400.

The previous prime is 3128008187. The next prime is 3128008217.

3128008213 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 3128008213 - 2¹³ = 3128000021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3128008217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377083 + ... + 385288.

It is an arithmetic number, because the mean of its divisors is an integer number (427690692).

Almost surely, 2^3128008213 is an apocalyptic number.

It is an amenable number.

3128008213 is a deficient number, since it is larger than the sum of its proper divisors (293517323).

3128008213 is a wasteful number, since it uses less digits than its factorization.

3128008213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762755.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 3128008213 is about 55928.5992404602. The cubic root of 3128008213 is about 1462.4778422922.

It can be divided in two parts, 31280082 and 13, that added together give a triangular number (31280095 = T₇₉₀₉).

The spelling of 3128008213 in words is "three billion, one hundred twenty-eight million, eight thousand, two hundred thirteen".