1301322112313 has 4 divisors (see below), whose sum is σ = 1301326331508. Its totient is φ = 1301317893120.

The previous prime is 1301322112309. The next prime is 1301322112327. The reversal of 1301322112313 is 3132112231031.

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 592843021369 + 708479090944 = 769963^2 + 841712^2 .

It is a cyclic number.

It is not a de Polignac number, because 1301322112313 - 2² = 1301322112309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1301322112513) 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, 1607048 + ... + 2277113.

It is an arithmetic number, because the mean of its divisors is an integer number (325331582877).

Almost surely, 2^{1301322112313} is an apocalyptic number.

It is an amenable number.

1301322112313 is a deficient number, since it is larger than the sum of its proper divisors (4219195).

1301322112313 is an equidigital number, since it uses as much as digits as its factorization.

1301322112313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4219194.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1301322112313 its reverse (3132112231031), we get a palindrome (4433434343344).

The spelling of 1301322112313 in words is "one trillion, three hundred one billion, three hundred twenty-two million, one hundred twelve thousand, three hundred thirteen".