311013313213 has 16 divisors (see below), whose sum is σ = 327213167616. Its totient is φ = 295202718720.

The previous prime is 311013313189. The next prime is 311013313297. The reversal of 311013313213 is 312313310113.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311013313213 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 (311013313613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5123920 + ... + 5184262.

It is an arithmetic number, because the mean of its divisors is an integer number (20450822976).

Almost surely, 2^311013313213 is an apocalyptic number.

It is an amenable number.

311013313213 is a deficient number, since it is larger than the sum of its proper divisors (16199854403).

311013313213 is a wasteful number, since it uses less digits than its factorization.

311013313213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63564.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 311013313213 its reverse (312313310113), we get a palindrome (623326623326).

The spelling of 311013313213 in words is "three hundred eleven billion, thirteen million, three hundred thirteen thousand, two hundred thirteen".