2113303836 has 96 divisors (see below), whose sum is σ = 5843271168. Its totient is φ = 581898240.

The previous prime is 2113303811. The next prime is 2113303837. The reversal of 2113303836 is 6383033112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113303837) 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, 282156 + ... + 289548.

It is an arithmetic number, because the mean of its divisors is an integer number (60867408).

Almost surely, 2^2113303836 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 2113303836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2921635584).

2113303836 is an abundant number, since it is smaller than the sum of its proper divisors (3729967332).

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

2113303836 is a wasteful number, since it uses less digits than its factorization.

2113303836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7531 (or 7529 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 2113303836 is about 45970.6845282948. The cubic root of 2113303836 is about 1283.2776990706.

Adding to 2113303836 its reverse (6383033112), we get a palindrome (8496336948).

The spelling of 2113303836 in words is "two billion, one hundred thirteen million, three hundred three thousand, eight hundred thirty-six".