1381341043 has 2 divisors, whose sum is σ = 1381341044. Its totient is φ = 1381341042.

The previous prime is 1381341023. The next prime is 1381341047. The reversal of 1381341043 is 3401431831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1381341043 - 2¹⁷ = 1381209971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1381341047) 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, 690670521 + 690670522.

It is an arithmetic number, because the mean of its divisors is an integer number (690670522).

Almost surely, 2^1381341043 is an apocalyptic number.

1381341043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1381341043 is an equidigital number, since it uses as much as digits as its factorization.

1381341043 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1381341043 is about 37166.3966910972. The cubic root of 1381341043 is about 1113.6968004726.

Adding to 1381341043 its reverse (3401431831), we get a palindrome (4782772874).

The spelling of 1381341043 in words is "one billion, three hundred eighty-one million, three hundred forty-one thousand, forty-three".