1313223330163 has 4 divisors (see below), whose sum is σ = 1382340347560. Its totient is φ = 1244106312768.

The previous prime is 1313223330157. The next prime is 1313223330197. The reversal of 1313223330163 is 3610333223131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1313223330163 - 2⁵ = 1313223330131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313223330763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34558508670 + ... + 34558508707.

It is an arithmetic number, because the mean of its divisors is an integer number (345585086890).

Almost surely, 2^{1313223330163} is an apocalyptic number.

1313223330163 is a deficient number, since it is larger than the sum of its proper divisors (69117017397).

1313223330163 is an equidigital number, since it uses as much as digits as its factorization.

1313223330163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69117017396.

The product of its (nonzero) digits is 17496, while the sum is 31.

Adding to 1313223330163 its reverse (3610333223131), we get a palindrome (4923556553294).

The spelling of 1313223330163 in words is "one trillion, three hundred thirteen billion, two hundred twenty-three million, three hundred thirty thousand, one hundred sixty-three".