3128011 has 2 divisors, whose sum is σ = 3128012. Its totient is φ = 3128010.

The previous prime is 3128009. The next prime is 3128033. The reversal of 3128011 is 1108213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3128011 - 2¹ = 3128009 is a prime.

It is a super-2 number, since 2×3128011² = 19568905632242, which contains 22 as substring.

Together with 3128009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3128311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1564005 + 1564006.

It is an arithmetic number, because the mean of its divisors is an integer number (1564006).

Almost surely, 2^3128011 is an apocalyptic number.

3128011 is a deficient number, since it is larger than the sum of its proper divisors (1).

3128011 is an equidigital number, since it uses as much as digits as its factorization.

3128011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 3128011 is about 1768.6183873295. The cubic root of 3128011 is about 146.2478276639.

The spelling of 3128011 in words is "three million, one hundred twenty-eight thousand, eleven".