400011042313 has 2 divisors, whose sum is σ = 400011042314. Its totient is φ = 400011042312.

The previous prime is 400011042289. The next prime is 400011042349. The reversal of 400011042313 is 313240110004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 291948944329 + 108062097984 = 540323^2 + 328728^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400011042313 is a prime.

It is not a weakly prime, because it can be changed into another prime (400011042113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200005521156 + 200005521157.

It is an arithmetic number, because the mean of its divisors is an integer number (200005521157).

Almost surely, 2^400011042313 is an apocalyptic number.

It is an amenable number.

400011042313 is a deficient number, since it is larger than the sum of its proper divisors (1).

400011042313 is an equidigital number, since it uses as much as digits as its factorization.

400011042313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 400011042313 its reverse (313240110004), we get a palindrome (713251152317).

The spelling of 400011042313 in words is "four hundred billion, eleven million, forty-two thousand, three hundred thirteen".