3133104423221 has 4 divisors (see below), whose sum is σ = 3133979351244. Its totient is φ = 3132229495200.

The previous prime is 3133104423203. The next prime is 3133104423359. The reversal of 3133104423221 is 1223244013313.

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 2485159920721 + 647944502500 = 1576439^2 + 804950^2 .

It is a cyclic number.

It is not a de Polignac number, because 3133104423221 - 2⁶ = 3133104423157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3133104453221) 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, 437458640 + ... + 437465801.

It is an arithmetic number, because the mean of its divisors is an integer number (783494837811).

Almost surely, 2^{3133104423221} is an apocalyptic number.

It is an amenable number.

3133104423221 is a deficient number, since it is larger than the sum of its proper divisors (874928023).

3133104423221 is an equidigital number, since it uses as much as digits as its factorization.

3133104423221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874928022.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 3133104423221 its reverse (1223244013313), we get a palindrome (4356348436534).

The spelling of 3133104423221 in words is "three trillion, one hundred thirty-three billion, one hundred four million, four hundred twenty-three thousand, two hundred twenty-one".