2101320344 has 8 divisors (see below), whose sum is σ = 3939975660. Its totient is φ = 1050660168.

The previous prime is 2101320313. The next prime is 2101320359. The reversal of 2101320344 is 4430231012.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131332514 + ... + 131332529.

Almost surely, 2^2101320344 is an apocalyptic number.

It is an amenable number.

2101320344 is a deficient number, since it is larger than the sum of its proper divisors (1838655316).

2101320344 is a wasteful number, since it uses less digits than its factorization.

2101320344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262665049 (or 262665045 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2101320344 is about 45840.1608199622. The cubic root of 2101320344 is about 1280.8474905088.

Adding to 2101320344 its reverse (4430231012), we get a palindrome (6531551356).

The spelling of 2101320344 in words is "two billion, one hundred one million, three hundred twenty thousand, three hundred forty-four".