2113131300 has 72 divisors (see below), whose sum is σ = 6987427776. Its totient is φ = 483000960.

The previous prime is 2113131257. The next prime is 2113131373. The reversal of 2113131300 is 31313112.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2113131300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 501027 + ... + 505226.

It is an arithmetic number, because the mean of its divisors is an integer number (97047608).

Almost surely, 2^2113131300 is an apocalyptic number.

2113131300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113131300 is an abundant number, since it is smaller than the sum of its proper divisors (4874296476).

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

2113131300 is a wasteful number, since it uses less digits than its factorization.

2113131300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006277 (or 1006270 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 2113131300 is about 45968.8079027508. The cubic root of 2113131300 is about 1283.2427746672.

Adding to 2113131300 its reverse (31313112), we get a palindrome (2144444412).

The spelling of 2113131300 in words is "two billion, one hundred thirteen million, one hundred thirty-one thousand, three hundred".