320103263 has 2 divisors, whose sum is σ = 320103264. Its totient is φ = 320103262.

The previous prime is 320103253. The next prime is 320103283. The reversal of 320103263 is 362301023.

It is an a-pointer prime, because the next prime (320103283) can be obtained adding 320103263 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320103263 - 2¹⁶ = 320037727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320103253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160051631 + 160051632.

It is an arithmetic number, because the mean of its divisors is an integer number (160051632).

Almost surely, 2^320103263 is an apocalyptic number.

320103263 is a deficient number, since it is larger than the sum of its proper divisors (1).

320103263 is an equidigital number, since it uses as much as digits as its factorization.

320103263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 320103263 is about 17891.4298757813. The cubic root of 320103263 is about 684.0639446107.

Adding to 320103263 its reverse (362301023), we get a palindrome (682404286).

The spelling of 320103263 in words is "three hundred twenty million, one hundred three thousand, two hundred sixty-three".