3121003241 has 2 divisors, whose sum is σ = 3121003242. Its totient is φ = 3121003240.

The previous prime is 3121003231. The next prime is 3121003321. The reversal of 3121003241 is 1423001213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3066833641 + 54169600 = 55379^2 + 7360^2 .

It is a cyclic number.

It is not a de Polignac number, because 3121003241 - 2¹⁸ = 3120741097 is a prime.

It is a super-3 number, since 3×3121003241³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (3121003201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560501620 + 1560501621.

It is an arithmetic number, because the mean of its divisors is an integer number (1560501621).

Almost surely, 2^3121003241 is an apocalyptic number.

It is an amenable number.

3121003241 is a deficient number, since it is larger than the sum of its proper divisors (1).

3121003241 is an equidigital number, since it uses as much as digits as its factorization.

3121003241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3121003241 is about 55865.9399008018. The cubic root of 3121003241 is about 1461.3853181734.

Adding to 3121003241 its reverse (1423001213), we get a palindrome (4544004454).

The spelling of 3121003241 in words is "three billion, one hundred twenty-one million, three thousand, two hundred forty-one".