311310013213 has 8 divisors (see below), whose sum is σ = 315409852800. Its totient is φ = 307223551008.

The previous prime is 311310013211. The next prime is 311310013229. The reversal of 311310013213 is 312310013113.

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 311310013213 - 2¹ = 311310013211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311310013211) 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, 3297493 + ... + 3390586.

It is an arithmetic number, because the mean of its divisors is an integer number (39426231600).

Almost surely, 2^311310013213 is an apocalyptic number.

It is an amenable number.

311310013213 is a deficient number, since it is larger than the sum of its proper divisors (4099839587).

311310013213 is an equidigital number, since it uses as much as digits as its factorization.

311310013213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6688691.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 311310013213 its reverse (312310013113), we get a palindrome (623620026326).

The spelling of 311310013213 in words is "three hundred eleven billion, three hundred ten million, thirteen thousand, two hundred thirteen".