311344015212313 has 8 divisors (see below), whose sum is σ = 318950628451560. Its totient is φ = 303738014200320.

The previous prime is 311344015212281. The next prime is 311344015212337. The reversal of 311344015212313 is 313212510443113.

It can be written as a sum of positive squares in 4 ways, for example, as 294249832704 + 311049765379609 = 542448^2 + 17636603^2 .

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 311344015212313 - 2⁵ = 311344015212281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311344019212313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152027220 + ... + 154061557.

It is an arithmetic number, because the mean of its divisors is an integer number (39868828556445).

Almost surely, 2^{311344015212313} is an apocalyptic number.

It is an amenable number.

311344015212313 is a deficient number, since it is larger than the sum of its proper divisors (7606613239247).

311344015212313 is a wasteful number, since it uses less digits than its factorization.

311344015212313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306113627.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 311344015212313 its reverse (313212510443113), we get a palindrome (624556525655426).

The spelling of 311344015212313 in words is "three hundred eleven trillion, three hundred forty-four billion, fifteen million, two hundred twelve thousand, three hundred thirteen".