3133020242221 has 4 divisors (see below), whose sum is σ = 3136307777532. Its totient is φ = 3129732706912.

The previous prime is 3133020242167. The next prime is 3133020242263. The reversal of 3133020242221 is 1222420203313.

3133020242221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2029499406025 + 1103520836196 = 1424605^2 + 1050486^2 .

It is a cyclic number.

It is not a de Polignac number, because 3133020242221 - 2²³ = 3133011853613 is a prime.

It is a super-2 number, since 2×3133020242221² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3133020642221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1643766226 + ... + 1643768131.

It is an arithmetic number, because the mean of its divisors is an integer number (784076944383).

Almost surely, 2^{3133020242221} is an apocalyptic number.

It is an amenable number.

3133020242221 is a deficient number, since it is larger than the sum of its proper divisors (3287535311).

3133020242221 is an equidigital number, since it uses as much as digits as its factorization.

3133020242221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3287535310.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 3133020242221 its reverse (1222420203313), we get a palindrome (4355440445534).

The spelling of 3133020242221 in words is "three trillion, one hundred thirty-three billion, twenty million, two hundred forty-two thousand, two hundred twenty-one".