3205215305441 has 6 divisors (see below), whose sum is σ = 3311944640226. Its totient is φ = 3101821262400.

The previous prime is 3205215305423. The next prime is 3205215305471. The reversal of 3205215305441 is 1445035125023.

It can be written as a sum of positive squares in only one way, i.e., 2570237414416 + 634977891025 = 1603196^2 + 796855^2 .

It is not a de Polignac number, because 3205215305441 - 2³⁰ = 3204141563617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3205215305471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1667644880 + ... + 1667646801.

It is an arithmetic number, because the mean of its divisors is an integer number (551990773371).

Almost surely, 2^{3205215305441} is an apocalyptic number.

3205215305441 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3205215305441 is a deficient number, since it is larger than the sum of its proper divisors (106729334785).

3205215305441 is an equidigital number, since it uses as much as digits as its factorization.

3205215305441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3335291743 (or 3335291712 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 3205215305441 in words is "three trillion, two hundred five billion, two hundred fifteen million, three hundred five thousand, four hundred forty-one".