431120201 has 2 divisors, whose sum is σ = 431120202. Its totient is φ = 431120200.

The previous prime is 431120197. The next prime is 431120213. The reversal of 431120201 is 102021134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 341325625 + 89794576 = 18475^2 + 9476^2 .

It is a cyclic number.

It is not a de Polignac number, because 431120201 - 2² = 431120197 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (431920201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215560100 + 215560101.

It is an arithmetic number, because the mean of its divisors is an integer number (215560101).

Almost surely, 2^431120201 is an apocalyptic number.

It is an amenable number.

431120201 is a deficient number, since it is larger than the sum of its proper divisors (1).

431120201 is an equidigital number, since it uses as much as digits as its factorization.

431120201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 431120201 is about 20763.4342294332. The cubic root of 431120201 is about 755.4390972378.

Adding to 431120201 its reverse (102021134), we get a palindrome (533141335).

The spelling of 431120201 in words is "four hundred thirty-one million, one hundred twenty thousand, two hundred one".