1313223223019 has 2 divisors, whose sum is σ = 1313223223020. Its totient is φ = 1313223223018.

The previous prime is 1313223222991. The next prime is 1313223223153. The reversal of 1313223223019 is 9103223223131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313223223019 is a prime.

It is a super-2 number, since 2×1313223223019² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1313223223219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656611611509 + 656611611510.

It is an arithmetic number, because the mean of its divisors is an integer number (656611611510).

Almost surely, 2^{1313223223019} is an apocalyptic number.

1313223223019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313223223019 is an equidigital number, since it uses as much as digits as its factorization.

1313223223019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 32.

The spelling of 1313223223019 in words is "one trillion, three hundred thirteen billion, two hundred twenty-three million, two hundred twenty-three thousand, nineteen".