3331031009 has 2 divisors, whose sum is σ = 3331031010. Its totient is φ = 3331031008.

The previous prime is 3331030987. The next prime is 3331031071. The reversal of 3331031009 is 9001301333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2410515409 + 920515600 = 49097^2 + 30340^2 .

It is a cyclic number.

It is not a de Polignac number, because 3331031009 - 2²⁸ = 3062595553 is a prime.

It is a super-2 number, since 2×3331031009² = 22191535165839116162, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3331031309) 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, 1665515504 + 1665515505.

It is an arithmetic number, because the mean of its divisors is an integer number (1665515505).

Almost surely, 2^3331031009 is an apocalyptic number.

It is an amenable number.

3331031009 is a deficient number, since it is larger than the sum of its proper divisors (1).

3331031009 is an equidigital number, since it uses as much as digits as its factorization.

3331031009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 729, while the sum is 23.

The square root of 3331031009 is about 57715.0847612650. The cubic root of 3331031009 is about 1493.4575814002.

The spelling of 3331031009 in words is "three billion, three hundred thirty-one million, thirty-one thousand, nine".