2105306171 has 8 divisors (see below), whose sum is σ = 2157376704. Its totient is φ = 2053270080.

The previous prime is 2105306149. The next prime is 2105306183. The reversal of 2105306171 is 1716035012.

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 2105306171 - 2¹⁸ = 2105044027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2105306171.

It is not an unprimeable number, because it can be changed into a prime (2105306111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151310 + ... + 164636.

It is an arithmetic number, because the mean of its divisors is an integer number (269672088).

Almost surely, 2^2105306171 is an apocalyptic number.

2105306171 is a deficient number, since it is larger than the sum of its proper divisors (52070533).

2105306171 is a wasteful number, since it uses less digits than its factorization.

2105306171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17221.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 2105306171 is about 45883.6154961659. The cubic root of 2105306171 is about 1281.6568248268.

The spelling of 2105306171 in words is "two billion, one hundred five million, three hundred six thousand, one hundred seventy-one".