1330000043 has 2 divisors, whose sum is σ = 1330000044. Its totient is φ = 1330000042.

The previous prime is 1330000013. The next prime is 1330000081. The reversal of 1330000043 is 3400000331.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1330000043 - 2⁸ = 1329999787 is a prime.

It is a super-2 number, since 2×1330000043² = 3537800228760003698, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1329999982 and 1330000027.

It is not a weakly prime, because it can be changed into another prime (1330000013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665000021 + 665000022.

It is an arithmetic number, because the mean of its divisors is an integer number (665000022).

Almost surely, 2^1330000043 is an apocalyptic number.

1330000043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330000043 is an equidigital number, since it uses as much as digits as its factorization.

1330000043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 1330000043 is about 36469.1656471601. The cubic root of 1330000043 is about 1099.7244607379.

Adding to 1330000043 its reverse (3400000331), we get a palindrome (4730000374).

The spelling of 1330000043 in words is "one billion, three hundred thirty million, forty-three", and thus it is an aban number.