381102443 has 2 divisors, whose sum is σ = 381102444. Its totient is φ = 381102442.

The previous prime is 381102431. The next prime is 381102451. The reversal of 381102443 is 344201183.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 381102443 - 2²⁸ = 112666987 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (381102343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190551221 + 190551222.

It is an arithmetic number, because the mean of its divisors is an integer number (190551222).

Almost surely, 2^381102443 is an apocalyptic number.

381102443 is a deficient number, since it is larger than the sum of its proper divisors (1).

381102443 is an equidigital number, since it uses as much as digits as its factorization.

381102443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 381102443 is about 19521.8452765101. The cubic root of 381102443 is about 725.0154213129.

The spelling of 381102443 in words is "three hundred eighty-one million, one hundred two thousand, four hundred forty-three".