3133223021 has 2 divisors, whose sum is σ = 3133223022. Its totient is φ = 3133223020.

The previous prime is 3133223003. The next prime is 3133223033. The reversal of 3133223021 is 1203223313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2512515625 + 620707396 = 50125^2 + 24914^2 .

It is a cyclic number.

It is not a de Polignac number, because 3133223021 - 2¹⁸ = 3132960877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3133222984 and 3133223002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3133223081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1566611510 + 1566611511.

It is an arithmetic number, because the mean of its divisors is an integer number (1566611511).

Almost surely, 2^3133223021 is an apocalyptic number.

It is an amenable number.

3133223021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3133223021 is an equidigital number, since it uses as much as digits as its factorization.

3133223021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 3133223021 is about 55975.2000532379. The cubic root of 3133223021 is about 1463.2901064551.

Adding to 3133223021 its reverse (1203223313), we get a palindrome (4336446334).

The spelling of 3133223021 in words is "three billion, one hundred thirty-three million, two hundred twenty-three thousand, twenty-one".