2170631071 has 8 divisors (see below), whose sum is σ = 2484030464. Its totient is φ = 1858059000.

The previous prime is 2170631051. The next prime is 2170631081. The reversal of 2170631071 is 1701360712.

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

It is not a de Polignac number, because 2170631071 - 2⁵ = 2170631039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2170631051) 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, 201195 + ... + 211708.

It is an arithmetic number, because the mean of its divisors is an integer number (310503808).

Almost surely, 2^2170631071 is an apocalyptic number.

2170631071 is a deficient number, since it is larger than the sum of its proper divisors (313399393).

2170631071 is an equidigital number, since it uses as much as digits as its factorization.

2170631071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413661.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 2170631071 is about 46590.0318845137. The cubic root of 2170631071 is about 1294.7780801679.

Adding to 2170631071 its reverse (1701360712), we get a palindrome (3871991783).

The spelling of 2170631071 in words is "two billion, one hundred seventy million, six hundred thirty-one thousand, seventy-one".