431243327 has 2 divisors, whose sum is σ = 431243328. Its totient is φ = 431243326.

The previous prime is 431243317. The next prime is 431243341. The reversal of 431243327 is 723342134.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 431243327 - 2¹² = 431239231 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 431243327.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431243317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215621663 + 215621664.

It is an arithmetic number, because the mean of its divisors is an integer number (215621664).

Almost surely, 2^431243327 is an apocalyptic number.

431243327 is a deficient number, since it is larger than the sum of its proper divisors (1).

431243327 is an equidigital number, since it uses as much as digits as its factorization.

431243327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 29.

The square root of 431243327 is about 20766.3989897141. The cubic root of 431243327 is about 755.5110070676.

The spelling of 431243327 in words is "four hundred thirty-one million, two hundred forty-three thousand, three hundred twenty-seven".