431144227 has 2 divisors, whose sum is σ = 431144228. Its totient is φ = 431144226.

The previous prime is 431144221. The next prime is 431144267. The reversal of 431144227 is 722441134.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 431144227 - 2⁷ = 431144099 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 431144195 and 431144204.

It is not a weakly prime, because it can be changed into another prime (431144221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215572113 + 215572114.

It is an arithmetic number, because the mean of its divisors is an integer number (215572114).

Almost surely, 2^431144227 is an apocalyptic number.

431144227 is a deficient number, since it is larger than the sum of its proper divisors (1).

431144227 is an equidigital number, since it uses as much as digits as its factorization.

431144227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 28.

The square root of 431144227 is about 20764.0127865497. The cubic root of 431144227 is about 755.4531303253.

The spelling of 431144227 in words is "four hundred thirty-one million, one hundred forty-four thousand, two hundred twenty-seven".