2131102242 has 24 divisors (see below), whose sum is σ = 4618277040. Its totient is φ = 710230680.

The previous prime is 2131102229. The next prime is 2131102313. The reversal of 2131102242 is 2422011312.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136809 + ... + 151587.

It is an arithmetic number, because the mean of its divisors is an integer number (192428210).

Almost surely, 2^2131102242 is an apocalyptic number.

2131102242 is an abundant number, since it is smaller than the sum of its proper divisors (2487174798).

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

2131102242 is a wasteful number, since it uses less digits than its factorization.

2131102242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22798 (or 22795 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2131102242 is about 46163.8629449486. The cubic root of 2131102242 is about 1286.8702531471.

Adding to 2131102242 its reverse (2422011312), we get a palindrome (4553113554).

The spelling of 2131102242 in words is "two billion, one hundred thirty-one million, one hundred two thousand, two hundred forty-two".