313808413 has 2 divisors, whose sum is σ = 313808414. Its totient is φ = 313808412.

The previous prime is 313808399. The next prime is 313808431. The reversal of 313808413 is 314808313.

Together with next prime (313808431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 308248249 + 5560164 = 17557^2 + 2358^2 .

It is a cyclic number.

It is not a de Polignac number, because 313808413 - 2¹⁷ = 313677341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313808713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156904206 + 156904207.

It is an arithmetic number, because the mean of its divisors is an integer number (156904207).

Almost surely, 2^313808413 is an apocalyptic number.

It is an amenable number.

313808413 is a deficient number, since it is larger than the sum of its proper divisors (1).

313808413 is an equidigital number, since it uses as much as digits as its factorization.

313808413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 313808413 is about 17714.6383818581. The cubic root of 313808413 is about 679.5501732331.

It can be divided in two parts, 31380 and 8413, that added together give a palindrome (39793).

The spelling of 313808413 in words is "three hundred thirteen million, eight hundred eight thousand, four hundred thirteen".