2101343310 has 160 divisors (see below), whose sum is σ = 6526995552. Its totient is φ = 479416320.

The previous prime is 2101343269. The next prime is 2101343317. The reversal of 2101343310 is 133431012.

2101343310 is a `hidden beast` number, since 2 + 10 + 1 + 343 + 310 = 666.

It is a super-2 number, since 2×2101343310² = 8831287412963512200, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101343317) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 144534 + ... + 158406.

Almost surely, 2^2101343310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2101343310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3263497776).

2101343310 is an abundant number, since it is smaller than the sum of its proper divisors (4425652242).

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

2101343310 is a wasteful number, since it uses less digits than its factorization.

2101343310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13920 (or 13911 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2101343310 is about 45840.4113201442. The cubic root of 2101343310 is about 1280.8521567554.

Adding to 2101343310 its reverse (133431012), we get a palindrome (2234774322).

It can be divided in two parts, 210134 and 3310, that added together give a square (213444 = 462²).

The spelling of 2101343310 in words is "two billion, one hundred one million, three hundred forty-three thousand, three hundred ten".