313405252289 has 2 divisors, whose sum is σ = 313405252290. Its totient is φ = 313405252288.

The previous prime is 313405252247. The next prime is 313405252333. The reversal of 313405252289 is 982252504313.

It is an a-pointer prime, because the next prime (313405252333) can be obtained adding 313405252289 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211500651664 + 101904600625 = 459892^2 + 319225^2 .

It is a cyclic number.

It is not a de Polignac number, because 313405252289 - 2¹⁶ = 313405186753 is a prime.

It is not a weakly prime, because it can be changed into another prime (313405254289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156702626144 + 156702626145.

It is an arithmetic number, because the mean of its divisors is an integer number (156702626145).

Almost surely, 2^313405252289 is an apocalyptic number.

It is an amenable number.

313405252289 is a deficient number, since it is larger than the sum of its proper divisors (1).

313405252289 is an equidigital number, since it uses as much as digits as its factorization.

313405252289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 313405252289 in words is "three hundred thirteen billion, four hundred five million, two hundred fifty-two thousand, two hundred eighty-nine".