2102131170 has 32 divisors (see below), whose sum is σ = 5605683840. Its totient is φ = 560568240.

The previous prime is 2102131169. The next prime is 2102131181. The reversal of 2102131170 is 711312012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3892566 + ... + 3893105.

It is an arithmetic number, because the mean of its divisors is an integer number (175177620).

Almost surely, 2^2102131170 is an apocalyptic number.

2102131170 is an abundant number, since it is smaller than the sum of its proper divisors (3503552670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2102131170 is a wasteful number, since it uses less digits than its factorization.

2102131170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7785687 (or 7785681 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 2102131170 is about 45849.0040240789. The cubic root of 2102131170 is about 1281.0122140678.

Adding to 2102131170 its reverse (711312012), we get a palindrome (2813443182).

The spelling of 2102131170 in words is "two billion, one hundred two million, one hundred thirty-one thousand, one hundred seventy".