3133231223021 has 2 divisors, whose sum is σ = 3133231223022. Its totient is φ = 3133231223020.

The previous prime is 3133231222981. The next prime is 3133231223131. The reversal of 3133231223021 is 1203221323313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1762601416900 + 1370629806121 = 1327630^2 + 1170739^2 .

It is a cyclic number.

It is not a de Polignac number, because 3133231223021 - 2³⁰ = 3132157481197 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3133231273021) 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, 1566615611510 + 1566615611511.

It is an arithmetic number, because the mean of its divisors is an integer number (1566615611511).

Almost surely, 2^{3133231223021} is an apocalyptic number.

It is an amenable number.

3133231223021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3133231223021 is an equidigital number, since it uses as much as digits as its factorization.

3133231223021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 3133231223021 its reverse (1203221323313), we get a palindrome (4336452546334).

The spelling of 3133231223021 in words is "three trillion, one hundred thirty-three billion, two hundred thirty-one million, two hundred twenty-three thousand, twenty-one".