43130000 has 100 divisors (see below), whose sum is σ = 110402160. Its totient is φ = 16272000.

The previous prime is 43129951. The next prime is 43130027. The reversal of 43130000 is 3134.

It is a tau number, because it is divible by the number of its divisors (100).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 189887 + ... + 190113.

Almost surely, 2^43130000 is an apocalyptic number.

43130000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55201080).

43130000 is an abundant number, since it is smaller than the sum of its proper divisors (67272160).

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

43130000 is a wasteful number, since it uses less digits than its factorization.

43130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 43130000 is about 6567.3434507417. The cubic root of 43130000 is about 350.6925064611.

Adding to 43130000 its reverse (3134), we get a palindrome (43133134).

The spelling of 43130000 in words is "forty-three million, one hundred thirty thousand".