313222101222263 has 2 divisors, whose sum is σ = 313222101222264. Its totient is φ = 313222101222262.

The previous prime is 313222101222253. The next prime is 313222101222313. The reversal of 313222101222263 is 362222101222313.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313222101222263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313222101222223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156611050611131 + 156611050611132.

It is an arithmetic number, because the mean of its divisors is an integer number (156611050611132).

Almost surely, 2^{313222101222263} is an apocalyptic number.

313222101222263 is a deficient number, since it is larger than the sum of its proper divisors (1).

313222101222263 is an equidigital number, since it uses as much as digits as its factorization.

313222101222263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 313222101222263 its reverse (362222101222313), we get a palindrome (675444202444576).

The spelling of 313222101222263 in words is "three hundred thirteen trillion, two hundred twenty-two billion, one hundred one million, two hundred twenty-two thousand, two hundred sixty-three".