400031401010413 has 2 divisors, whose sum is σ = 400031401010414. Its totient is φ = 400031401010412.

The previous prime is 400031401010407. The next prime is 400031401010531. The reversal of 400031401010413 is 314010104130004.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 389032507344649 + 10998893665764 = 19723907^2 + 3316458^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400031401010413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400031401040413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200015700505206 + 200015700505207.

It is an arithmetic number, because the mean of its divisors is an integer number (200015700505207).

Almost surely, 2^{400031401010413} is an apocalyptic number.

It is an amenable number.

400031401010413 is a deficient number, since it is larger than the sum of its proper divisors (1).

400031401010413 is an equidigital number, since it uses as much as digits as its factorization.

400031401010413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 400031401010413 its reverse (314010104130004), we get a palindrome (714041505140417).

The spelling of 400031401010413 in words is "four hundred trillion, thirty-one billion, four hundred one million, ten thousand, four hundred thirteen".