1313012220323 has 4 divisors (see below), whose sum is σ = 1324631797608. Its totient is φ = 1301392643040.

The previous prime is 1313012220307. The next prime is 1313012220347. The reversal of 1313012220323 is 3230222103131.

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 1313012220323 - 2⁴ = 1313012220307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313012220353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5809788473 + ... + 5809788698.

It is an arithmetic number, because the mean of its divisors is an integer number (331157949402).

Almost surely, 2^{1313012220323} is an apocalyptic number.

1313012220323 is a deficient number, since it is larger than the sum of its proper divisors (11619577285).

1313012220323 is a wasteful number, since it uses less digits than its factorization.

1313012220323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11619577284.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1313012220323 its reverse (3230222103131), we get a palindrome (4543234323454).

The spelling of 1313012220323 in words is "one trillion, three hundred thirteen billion, twelve million, two hundred twenty thousand, three hundred twenty-three".