3120002000281 has 2 divisors, whose sum is σ = 3120002000282. Its totient is φ = 3120002000280.

The previous prime is 3120002000249. The next prime is 3120002000287. The reversal of 3120002000281 is 1820002000213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3015084960000 + 104917040281 = 1736400^2 + 323909^2 .

It is a cyclic number.

It is not a de Polignac number, because 3120002000281 - 2⁵ = 3120002000249 is a prime.

It is a super-2 number, since 2×3120002000281² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3120002000287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560001000140 + 1560001000141.

It is an arithmetic number, because the mean of its divisors is an integer number (1560001000141).

Almost surely, 2^{3120002000281} is an apocalyptic number.

It is an amenable number.

3120002000281 is a deficient number, since it is larger than the sum of its proper divisors (1).

3120002000281 is an equidigital number, since it uses as much as digits as its factorization.

3120002000281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 3120002000281 its reverse (1820002000213), we get a palindrome (4940004000494).

The spelling of 3120002000281 in words is "three trillion, one hundred twenty billion, two million, two hundred eighty-one", and thus it is an aban number.