3202109081 has 2 divisors, whose sum is σ = 3202109082. Its totient is φ = 3202109080.

The previous prime is 3202109077. The next prime is 3202109123. The reversal of 3202109081 is 1809012023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3044832400 + 157276681 = 55180^2 + 12541^2 .

It is a cyclic number.

It is not a de Polignac number, because 3202109081 - 2² = 3202109077 is a prime.

It is a super-2 number, since 2×3202109081² = 20507005133245329122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3202109081.

It is not a weakly prime, because it can be changed into another prime (3202129081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1601054540 + 1601054541.

It is an arithmetic number, because the mean of its divisors is an integer number (1601054541).

Almost surely, 2^3202109081 is an apocalyptic number.

It is an amenable number.

3202109081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3202109081 is an equidigital number, since it uses as much as digits as its factorization.

3202109081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 3202109081 is about 56587.1812427514. The cubic root of 3202109081 is about 1473.9362750579.

The spelling of 3202109081 in words is "three billion, two hundred two million, one hundred nine thousand, eighty-one".