1310312311 has 8 divisors (see below), whose sum is σ = 1633636224. Its totient is φ = 1021022520.

The previous prime is 1310312293. The next prime is 1310312347. The reversal of 1310312311 is 1132130131.

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

It is not a de Polignac number, because 1310312311 - 2⁹ = 1310311799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310312711) 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, 8508445 + ... + 8508598.

It is an arithmetic number, because the mean of its divisors is an integer number (204204528).

Almost surely, 2^1310312311 is an apocalyptic number.

1310312311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1310312311 is a deficient number, since it is larger than the sum of its proper divisors (323323913).

1310312311 is a wasteful number, since it uses less digits than its factorization.

1310312311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17017061.

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

The square root of 1310312311 is about 36198.2362968142. The cubic root of 1310312311 is about 1094.2711275730.

Adding to 1310312311 its reverse (1132130131), we get a palindrome (2442442442).

The spelling of 1310312311 in words is "one billion, three hundred ten million, three hundred twelve thousand, three hundred eleven".