1301320123013 has 4 divisors (see below), whose sum is σ = 1302250303200. Its totient is φ = 1300389942828.

The previous prime is 1301320123003. The next prime is 1301320123043. The reversal of 1301320123013 is 3103210231031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1301320123013 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 (1301320123003) 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, 465087995 + ... + 465090792.

It is an arithmetic number, because the mean of its divisors is an integer number (325562575800).

Almost surely, 2^{1301320123013} is an apocalyptic number.

It is an amenable number.

1301320123013 is a deficient number, since it is larger than the sum of its proper divisors (930180187).

1301320123013 is an equidigital number, since it uses as much as digits as its factorization.

1301320123013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930180186.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1301320123013 its reverse (3103210231031), we get a palindrome (4404530354044).

The spelling of 1301320123013 in words is "one trillion, three hundred one billion, three hundred twenty million, one hundred twenty-three thousand, thirteen".