2813030208 has 98 divisors (see below), whose sum is σ = 8369470434. Its totient is φ = 937661184.

The previous prime is 2813030197. The next prime is 2813030257. The reversal of 2813030208 is 8020303182.

It can be written as a sum of positive squares in only one way, i.e., 2217279744 + 595750464 = 47088^2 + 24408^2 .

It is a super-2 number, since 2×2813030208² = 15826277902241046528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 16510 + ... + 76802.

Almost surely, 2^2813030208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2813030208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4184735217).

2813030208 is an abundant number, since it is smaller than the sum of its proper divisors (5556440226).

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

2813030208 is an frugal number, since it uses more digits than its factorization.

2813030208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60323 (or 60298 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2813030208 is about 53038.0072023827. The cubic root of 2813030208 is about 1411.6427390514.

The spelling of 2813030208 in words is "two billion, eight hundred thirteen million, thirty thousand, two hundred eight".