1301303312213 has 4 divisors (see below), whose sum is σ = 1302468311820. Its totient is φ = 1300138312608.

The previous prime is 1301303312201. The next prime is 1301303312219. The reversal of 1301303312213 is 3122133031031.

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 720084622084 + 581218690129 = 848578^2 + 762377^2 .

It is a cyclic number.

It is not a de Polignac number, because 1301303312213 - 2⁶ = 1301303312149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301303312219) 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, 582498128 + ... + 582500361.

It is an arithmetic number, because the mean of its divisors is an integer number (325617077955).

Almost surely, 2^{1301303312213} is an apocalyptic number.

It is an amenable number.

1301303312213 is a deficient number, since it is larger than the sum of its proper divisors (1164999607).

1301303312213 is a wasteful number, since it uses less digits than its factorization.

1301303312213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164999606.

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

Adding to 1301303312213 its reverse (3122133031031), we get a palindrome (4423436343244).

The spelling of 1301303312213 in words is "one trillion, three hundred one billion, three hundred three million, three hundred twelve thousand, two hundred thirteen".