3103505543321 has 2 divisors, whose sum is σ = 3103505543322. Its totient is φ = 3103505543320.

The previous prime is 3103505543309. The next prime is 3103505543377. The reversal of 3103505543321 is 1233455053013.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2297710272400 + 805795270921 = 1515820^2 + 897661^2 .

It is a cyclic number.

It is not a de Polignac number, because 3103505543321 - 2¹⁴ = 3103505526937 is a prime.

It is not a weakly prime, because it can be changed into another prime (3103505543821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1551752771660 + 1551752771661.

It is an arithmetic number, because the mean of its divisors is an integer number (1551752771661).

Almost surely, 2^{3103505543321} is an apocalyptic number.

It is an amenable number.

3103505543321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3103505543321 is an equidigital number, since it uses as much as digits as its factorization.

3103505543321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81000, while the sum is 35.

The spelling of 3103505543321 in words is "three trillion, one hundred three billion, five hundred five million, five hundred forty-three thousand, three hundred twenty-one".