1313122030313 has 4 divisors (see below), whose sum is σ = 1345149396948. Its totient is φ = 1281094663680.

The previous prime is 1313122030303. The next prime is 1313122030351. The reversal of 1313122030313 is 3130302213131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 459591796624 + 853530233689 = 677932^2 + 923867^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313122030313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313122030303) 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 in 3 ways as a sum of consecutive naturals, for example, 16013683256 + ... + 16013683337.

It is an arithmetic number, because the mean of its divisors is an integer number (336287349237).

Almost surely, 2^{1313122030313} is an apocalyptic number.

It is an amenable number.

1313122030313 is a deficient number, since it is larger than the sum of its proper divisors (32027366635).

1313122030313 is an equidigital number, since it uses as much as digits as its factorization.

1313122030313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32027366634.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1313122030313 its reverse (3130302213131), we get a palindrome (4443424243444).

The spelling of 1313122030313 in words is "one trillion, three hundred thirteen billion, one hundred twenty-two million, thirty thousand, three hundred thirteen".