431132201 has 8 divisors (see below), whose sum is σ = 439350600. Its totient is φ = 422951040.

The previous prime is 431132197. The next prime is 431132209. The reversal of 431132201 is 102231134.

It can be written as a sum of positive squares in 4 ways, for example, as 25512601 + 405619600 = 5051^2 + 20140^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 431132201 - 2² = 431132197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 431132201.

It is not an unprimeable number, because it can be changed into a prime (431132209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14645 + ... + 32813.

It is an arithmetic number, because the mean of its divisors is an integer number (54918825).

Almost surely, 2^431132201 is an apocalyptic number.

It is an amenable number.

431132201 is a deficient number, since it is larger than the sum of its proper divisors (8218399).

431132201 is a wasteful number, since it uses less digits than its factorization.

431132201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18619.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 431132201 is about 20763.7231969606. The cubic root of 431132201 is about 755.4461062537.

Adding to 431132201 its reverse (102231134), we get a palindrome (533363335).

The spelling of 431132201 in words is "four hundred thirty-one million, one hundred thirty-two thousand, two hundred one".