3113221201 has 4 divisors (see below), whose sum is σ = 3113344512. Its totient is φ = 3113097892.

The previous prime is 3113221183. The next prime is 3113221217. The reversal of 3113221201 is 1021223113.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3113221201 - 2¹⁹ = 3112696913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3113221261) 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 in 3 ways as a sum of consecutive naturals, for example, 8521 + ... + 79366.

It is an arithmetic number, because the mean of its divisors is an integer number (778336128).

Almost surely, 2^3113221201 is an apocalyptic number.

It is an amenable number.

3113221201 is a deficient number, since it is larger than the sum of its proper divisors (123311).

3113221201 is an equidigital number, since it uses as much as digits as its factorization.

3113221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123310.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 3113221201 is about 55796.2471945919. The cubic root of 3113221201 is about 1460.1696808169.

Adding to 3113221201 its reverse (1021223113), we get a palindrome (4134444314).

The spelling of 3113221201 in words is "three billion, one hundred thirteen million, two hundred twenty-one thousand, two hundred one".