3103133331321 has 10 divisors (see below), whose sum is σ = 4635544853082. Its totient is φ = 2068755554160.

The previous prime is 3103133331301. The next prime is 3103133331373. The reversal of 3103133331321 is 1231333313013.

3103133331321 is a `hidden beast` number, since 3 + 1 + 0 + 3 + 1 + 3 + 3 + 331 + 321 = 666.

3103133331321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2631081887721 + 472051443600 = 1622061^2 + 687060^2 .

It is not a de Polignac number, because 3103133331321 - 2²¹ = 3103131234169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3103133331301) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19155143940 + ... + 19155144101.

Almost surely, 2^{3103133331321} is an apocalyptic number.

It is an amenable number.

3103133331321 is a deficient number, since it is larger than the sum of its proper divisors (1532411521761).

3103133331321 is an equidigital number, since it uses as much as digits as its factorization.

3103133331321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38310288053 (or 38310288044 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 27.

Adding to 3103133331321 its reverse (1231333313013), we get a palindrome (4334466644334).

The spelling of 3103133331321 in words is "three trillion, one hundred three billion, one hundred thirty-three million, three hundred thirty-one thousand, three hundred twenty-one".