431241229 has 2 divisors, whose sum is σ = 431241230. Its totient is φ = 431241228.

The previous prime is 431241203. The next prime is 431241257. The reversal of 431241229 is 922142134.

It is an a-pointer prime, because the next prime (431241257) can be obtained adding 431241229 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 370370025 + 60871204 = 19245^2 + 7802^2 .

It is a cyclic number.

It is not a de Polignac number, because 431241229 - 2²³ = 422852621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 431241197 and 431241206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431241259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215620614 + 215620615.

It is an arithmetic number, because the mean of its divisors is an integer number (215620615).

Almost surely, 2^431241229 is an apocalyptic number.

It is an amenable number.

431241229 is a deficient number, since it is larger than the sum of its proper divisors (1).

431241229 is an equidigital number, since it uses as much as digits as its factorization.

431241229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 28.

The square root of 431241229 is about 20766.3484753579. The cubic root of 431241229 is about 755.5097818779.

The spelling of 431241229 in words is "four hundred thirty-one million, two hundred forty-one thousand, two hundred twenty-nine".