381230347 has 2 divisors, whose sum is σ = 381230348. Its totient is φ = 381230346.

The previous prime is 381230323. The next prime is 381230363. The reversal of 381230347 is 743032183.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 381230347 - 2¹¹ = 381228299 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (381230947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190615173 + 190615174.

It is an arithmetic number, because the mean of its divisors is an integer number (190615174).

Almost surely, 2^381230347 is an apocalyptic number.

381230347 is a deficient number, since it is larger than the sum of its proper divisors (1).

381230347 is an equidigital number, since it uses as much as digits as its factorization.

381230347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 381230347 is about 19525.1209215206. The cubic root of 381230347 is about 725.0965211168.

The spelling of 381230347 in words is "three hundred eighty-one million, two hundred thirty thousand, three hundred forty-seven".