1313112322303 has 4 divisors (see below), whose sum is σ = 1341050882400. Its totient is φ = 1285173762208.

The previous prime is 1313112322267. The next prime is 1313112322339. The reversal of 1313112322303 is 3032232113131.

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

It is an interprime number because it is at equal distance from previous prime (1313112322267) and next prime (1313112322339).

It is a cyclic number.

It is not a de Polignac number, because 1313112322303 - 2⁹ = 1313112321791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313112322343) 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, 13969279978 + ... + 13969280071.

It is an arithmetic number, because the mean of its divisors is an integer number (335262720600).

Almost surely, 2^{1313112322303} is an apocalyptic number.

1313112322303 is a deficient number, since it is larger than the sum of its proper divisors (27938560097).

1313112322303 is an equidigital number, since it uses as much as digits as its factorization.

1313112322303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27938560096.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1313112322303 its reverse (3032232113131), we get a palindrome (4345344435434).

The spelling of 1313112322303 in words is "one trillion, three hundred thirteen billion, one hundred twelve million, three hundred twenty-two thousand, three hundred three".