1310312113 has 8 divisors (see below), whose sum is σ = 1449013536. Its totient is φ = 1174874400.

The previous prime is 1310312089. The next prime is 1310312137. The reversal of 1310312113 is 3112130131.

It is an interprime number because it is at equal distance from previous prime (1310312089) and next prime (1310312137).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1310312113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1310315113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 815083 + ... + 816688.

It is an arithmetic number, because the mean of its divisors is an integer number (181126692).

Almost surely, 2^1310312113 is an apocalyptic number.

It is an amenable number.

1310312113 is a deficient number, since it is larger than the sum of its proper divisors (138701423).

1310312113 is a wasteful number, since it uses less digits than its factorization.

1310312113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631855.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1310312113 is about 36198.2335618743. The cubic root of 1310312113 is about 1094.2710724549.

Adding to 1310312113 its reverse (3112130131), we get a palindrome (4422442244).

The spelling of 1310312113 in words is "one billion, three hundred ten million, three hundred twelve thousand, one hundred thirteen".