3313100312221 has 4 divisors (see below), whose sum is σ = 3786400356832. Its totient is φ = 2839800267612.

The previous prime is 3313100312201. The next prime is 3313100312227. The reversal of 3313100312221 is 1222130013133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3313100312221 - 2⁹ = 3313100311709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3313100312192 and 3313100312201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3313100312227) 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, 236650022295 + ... + 236650022308.

It is an arithmetic number, because the mean of its divisors is an integer number (946600089208).

Almost surely, 2^{3313100312221} is an apocalyptic number.

It is an amenable number.

3313100312221 is a deficient number, since it is larger than the sum of its proper divisors (473300044611).

3313100312221 is an equidigital number, since it uses as much as digits as its factorization.

3313100312221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473300044610.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 3313100312221 its reverse (1222130013133), we get a palindrome (4535230325354).

The spelling of 3313100312221 in words is "three trillion, three hundred thirteen billion, one hundred million, three hundred twelve thousand, two hundred twenty-one".