1310312220311 has 8 divisors (see below), whose sum is σ = 1384149793920. Its totient is φ = 1236962023992.

The previous prime is 1310312220299. The next prime is 1310312220403. The reversal of 1310312220311 is 1130222130131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1310312220311 - 2¹⁴ = 1310312203927 is a prime.

It is a super-2 number, since 2×1310312220311² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310312240311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121838795 + ... + 121849548.

It is an arithmetic number, because the mean of its divisors is an integer number (173018724240).

Almost surely, 2^{1310312220311} is an apocalyptic number.

1310312220311 is a deficient number, since it is larger than the sum of its proper divisors (73837573609).

1310312220311 is a wasteful number, since it uses less digits than its factorization.

1310312220311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243688645.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1310312220311 its reverse (1130222130131), we get a palindrome (2440534350442).

The spelling of 1310312220311 in words is "one trillion, three hundred ten billion, three hundred twelve million, two hundred twenty thousand, three hundred eleven".