1040344313 has 2 divisors, whose sum is σ = 1040344314. Its totient is φ = 1040344312.

The previous prime is 1040344307. The next prime is 1040344321. The reversal of 1040344313 is 3134430401.

1040344313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 784728169 + 255616144 = 28013^2 + 15988^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040344313 - 2¹⁰ = 1040343289 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1040344363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520172156 + 520172157.

It is an arithmetic number, because the mean of its divisors is an integer number (520172157).

Almost surely, 2^1040344313 is an apocalyptic number.

It is an amenable number.

1040344313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040344313 is an equidigital number, since it uses as much as digits as its factorization.

1040344313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1040344313 is about 32254.3688978718. The cubic root of 1040344313 is about 1013.2712004431.

Adding to 1040344313 its reverse (3134430401), we get a palindrome (4174774714).

The spelling of 1040344313 in words is "one billion, forty million, three hundred forty-four thousand, three hundred thirteen".