43130201 has 4 divisors (see below), whose sum is σ = 43614900. Its totient is φ = 42645504.

The previous prime is 43130189. The next prime is 43130231. The reversal of 43130201 is 10203134.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10203134 = 2 ⋅5101567.

It can be written as a sum of positive squares in 2 ways, for example, as 9211225 + 33918976 = 3035^2 + 5824^2 .

It is a cyclic number.

It is not a de Polignac number, because 43130201 - 2⁶ = 43130137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43130231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242216 + ... + 242393.

It is an arithmetic number, because the mean of its divisors is an integer number (10903725).

Almost surely, 2^43130201 is an apocalyptic number.

It is an amenable number.

43130201 is a deficient number, since it is larger than the sum of its proper divisors (484699).

43130201 is an equidigital number, since it uses as much as digits as its factorization.

43130201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484698.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 43130201 is about 6567.3587537152. The cubic root of 43130201 is about 350.6930512411.

Adding to 43130201 its reverse (10203134), we get a palindrome (53333335).

The spelling of 43130201 in words is "forty-three million, one hundred thirty thousand, two hundred one".