3106886021 has 2 divisors, whose sum is σ = 3106886022. Its totient is φ = 3106886020.

The previous prime is 3106885993. The next prime is 3106886047. The reversal of 3106886021 is 1206886013.

3106886021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3036561025 + 70324996 = 55105^2 + 8386^2 .

It is a cyclic number.

It is not a de Polignac number, because 3106886021 - 2¹⁴ = 3106869637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3106885021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1553443010 + 1553443011.

It is an arithmetic number, because the mean of its divisors is an integer number (1553443011).

Almost surely, 2^3106886021 is an apocalyptic number.

It is an amenable number.

3106886021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3106886021 is an equidigital number, since it uses as much as digits as its factorization.

3106886021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 3106886021 is about 55739.4476201550. The cubic root of 3106886021 is about 1459.1785616597.

The spelling of 3106886021 in words is "three billion, one hundred six million, eight hundred eighty-six thousand, twenty-one".