3103221313 has 8 divisors (see below), whose sum is σ = 3148381800. Its totient is φ = 3058132608.

The previous prime is 3103221311. The next prime is 3103221343. The reversal of 3103221313 is 3131223013.

It can be written as a sum of positive squares in 4 ways, for example, as 428986944 + 2674234369 = 20712^2 + 51713^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3103221313 - 2¹ = 3103221311 is a prime.

It is a super-3 number, since 3×3103221313³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3103221311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72423 + ... + 107011.

It is an arithmetic number, because the mean of its divisors is an integer number (393547725).

Almost surely, 2^3103221313 is an apocalyptic number.

It is an amenable number.

3103221313 is a deficient number, since it is larger than the sum of its proper divisors (45160487).

3103221313 is a wasteful number, since it uses less digits than its factorization.

3103221313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35891.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 3103221313 is about 55706.5643618416. The cubic root of 3103221313 is about 1458.6046142824.

Adding to 3103221313 its reverse (3131223013), we get a palindrome (6234444326).

The spelling of 3103221313 in words is "three billion, one hundred three million, two hundred twenty-one thousand, three hundred thirteen".