2101310 has 8 divisors (see below), whose sum is σ = 3782376. Its totient is φ = 840520.

The previous prime is 2101283. The next prime is 2101313. The reversal of 2101310 is 131012.

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

It is a super-2 number, since 2×2101310² = 8831007432200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105056 + ... + 105075.

It is an arithmetic number, because the mean of its divisors is an integer number (472797).

2^2101310 is an apocalyptic number.

2101310 is a deficient number, since it is larger than the sum of its proper divisors (1681066).

2101310 is a wasteful number, since it uses less digits than its factorization.

2101310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210138.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 2101310 is about 1449.5895970929. The cubic root of 2101310 is about 128.0845388797.

Adding to 2101310 its reverse (131012), we get a palindrome (2232322).

The spelling of 2101310 in words is "two million, one hundred one thousand, three hundred ten".