2105411331 has 8 divisors (see below), whose sum is σ = 2821761040. Its totient is φ = 1396334592.

The previous prime is 2105411311. The next prime is 2105411369. The reversal of 2105411331 is 1331145012.

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

It is not a de Polignac number, because 2105411331 - 2⁶ = 2105411267 is a prime.

It is a super-2 number, since 2×2105411331² = 8865513745406383122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2105411298 and 2105411307.

It is not an unprimeable number, because it can be changed into a prime (2105411311) 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, 1817566 + ... + 1818723.

It is an arithmetic number, because the mean of its divisors is an integer number (352720130).

Almost surely, 2^2105411331 is an apocalyptic number.

2105411331 is a deficient number, since it is larger than the sum of its proper divisors (716349709).

2105411331 is a wasteful number, since it uses less digits than its factorization.

2105411331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3636485.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2105411331 is about 45884.7614246822. The cubic root of 2105411331 is about 1281.6781640489.

Adding to 2105411331 its reverse (1331145012), we get a palindrome (3436556343).

It can be divided in two parts, 21054 and 11331, that added together give a triangular number (32385 = T₂₅₄).

The spelling of 2105411331 in words is "two billion, one hundred five million, four hundred eleven thousand, three hundred thirty-one".