402336313 has 2 divisors, whose sum is σ = 402336314. Its totient is φ = 402336312.

The previous prime is 402336293. The next prime is 402336317. The reversal of 402336313 is 313633204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 391525369 + 10810944 = 19787^2 + 3288^2 .

It is a cyclic number.

It is not a de Polignac number, because 402336313 - 2¹⁷ = 402205241 is a prime.

It is not a weakly prime, because it can be changed into another prime (402336317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201168156 + 201168157.

It is an arithmetic number, because the mean of its divisors is an integer number (201168157).

Almost surely, 2^402336313 is an apocalyptic number.

It is an amenable number.

402336313 is a deficient number, since it is larger than the sum of its proper divisors (1).

402336313 is an equidigital number, since it uses as much as digits as its factorization.

402336313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 25.

The square root of 402336313 is about 20058.3227863149. The cubic root of 402336313 is about 738.2380243187.

Adding to 402336313 its reverse (313633204), we get a palindrome (715969517).

The spelling of 402336313 in words is "four hundred two million, three hundred thirty-six thousand, three hundred thirteen".