3086701021 has 2 divisors, whose sum is σ = 3086701022. Its totient is φ = 3086701020.

The previous prime is 3086701019. The next prime is 3086701049. The reversal of 3086701021 is 1201076803.

3086701021 = 39285² + 39286².

It is an a-pointer prime, because the next prime (3086701049) can be obtained adding 3086701021 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1543389796 + 1543311225 = 39286^2 + 39285^2 .

It is a cyclic number.

It is not a de Polignac number, because 3086701021 - 2¹ = 3086701019 is a prime.

Together with 3086701019, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3086701081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1543350510 + 1543350511.

It is an arithmetic number, because the mean of its divisors is an integer number (1543350511).

Almost surely, 2^3086701021 is an apocalyptic number.

3086701021 is the 39286-th centered square number.

It is an amenable number.

3086701021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3086701021 is an equidigital number, since it uses as much as digits as its factorization.

3086701021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 3086701021 is about 55558.0869091080. The cubic root of 3086701021 is about 1456.0116677116.

Adding to 3086701021 its reverse (1201076803), we get a palindrome (4287777824).

The spelling of 3086701021 in words is "three billion, eighty-six million, seven hundred one thousand, twenty-one".