3333331081 has 2 divisors, whose sum is σ = 3333331082. Its totient is φ = 3333331080.

The previous prime is 3333331007. The next prime is 3333331091. The reversal of 3333331081 is 1801333333.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2180049481 + 1153281600 = 46691^2 + 33960^2 .

It is an emirp because it is prime and its reverse (1801333333) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3333331081 - 2¹⁹ = 3332806793 is a prime.

It is a super-2 number, since 2×3333331081² = 22222192191121257122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3333331091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1666665540 + 1666665541.

It is an arithmetic number, because the mean of its divisors is an integer number (1666665541).

Almost surely, 2^3333331081 is an apocalyptic number.

It is an amenable number.

3333331081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3333331081 is an equidigital number, since it uses as much as digits as its factorization.

3333331081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 3333331081 is about 57735.0074131804. The cubic root of 3333331081 is about 1493.8012457317.

The spelling of 3333331081 in words is "three billion, three hundred thirty-three million, three hundred thirty-one thousand, eighty-one".