2043311100 has 36 divisors (see below), whose sum is σ = 5911980984. Its totient is φ = 544882880.

The previous prime is 2043311093. The next prime is 2043311117. The reversal of 2043311100 is 11133402.

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 2043311100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3405219 + ... + 3405818.

It is an arithmetic number, because the mean of its divisors is an integer number (164221694).

Almost surely, 2^2043311100 is an apocalyptic number.

2043311100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2043311100 is an abundant number, since it is smaller than the sum of its proper divisors (3868669884).

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

2043311100 is a wasteful number, since it uses less digits than its factorization.

2043311100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6811054 (or 6811047 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2043311100 is about 45202.9987943278. The cubic root of 2043311100 is about 1268.9509389172.

Adding to 2043311100 its reverse (11133402), we get a palindrome (2054444502).

The spelling of 2043311100 in words is "two billion, forty-three million, three hundred eleven thousand, one hundred".