2100320310 has 64 divisors (see below), whose sum is σ = 5521146624. Its totient is φ = 507120000.

The previous prime is 2100320293. The next prime is 2100320317. The reversal of 2100320310 is 130230012.

It is a happy number.

It is a super-2 number, since 2×2100320310² = 8822690809196992200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100320317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70152 + ... + 95508.

It is an arithmetic number, because the mean of its divisors is an integer number (86267916).

Almost surely, 2^2100320310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2100320310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2760573312).

2100320310 is an abundant number, since it is smaller than the sum of its proper divisors (3420826314).

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

2100320310 is a wasteful number, since it uses less digits than its factorization.

2100320310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25629.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2100320310 is about 45829.2516849228. The cubic root of 2100320310 is about 1280.6442699810.

Adding to 2100320310 its reverse (130230012), we get a palindrome (2230550322).

The spelling of 2100320310 in words is "two billion, one hundred million, three hundred twenty thousand, three hundred ten".