1301312313 has 12 divisors (see below), whose sum is σ = 2148198208. Its totient is φ = 743607000.

The previous prime is 1301312281. The next prime is 1301312321. The reversal of 1301312313 is 3132131031.

It is a happy number.

It is not a de Polignac number, because 1301312313 - 2⁵ = 1301312281 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1301312333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10327813 + ... + 10327938.

Almost surely, 2^1301312313 is an apocalyptic number.

It is an amenable number.

1301312313 is a deficient number, since it is larger than the sum of its proper divisors (846885895).

1301312313 is a wasteful number, since it uses less digits than its factorization.

1301312313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20655764 (or 20655761 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1301312313 is about 36073.7066712031. The cubic root of 1301312313 is about 1091.7600029074.

Adding to 1301312313 its reverse (3132131031), we get a palindrome (4433443344).

The spelling of 1301312313 in words is "one billion, three hundred one million, three hundred twelve thousand, three hundred thirteen".