3281273031073 has 2 divisors, whose sum is σ = 3281273031074. Its totient is φ = 3281273031072.

The previous prime is 3281273031007. The next prime is 3281273031089. The reversal of 3281273031073 is 3701303721823.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3265653780544 + 15619250529 = 1807112^2 + 124977^2 .

It is a cyclic number.

It is not a de Polignac number, because 3281273031073 - 2¹⁷ = 3281272900001 is a prime.

It is not a weakly prime, because it can be changed into another prime (3281273031973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1640636515536 + 1640636515537.

It is an arithmetic number, because the mean of its divisors is an integer number (1640636515537).

Almost surely, 2^{3281273031073} is an apocalyptic number.

It is an amenable number.

3281273031073 is a deficient number, since it is larger than the sum of its proper divisors (1).

3281273031073 is an equidigital number, since it uses as much as digits as its factorization.

3281273031073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 40.

Adding to 3281273031073 its reverse (3701303721823), we get a palindrome (6982576752896).

The spelling of 3281273031073 in words is "three trillion, two hundred eighty-one billion, two hundred seventy-three million, thirty-one thousand, seventy-three".