311308803113 has 16 divisors (see below), whose sum is σ = 389835085824. Its totient is φ = 241509647760.

The previous prime is 311308803097. The next prime is 311308803121.

311308803113 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 311308803113 - 2⁴ = 311308803097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 311308803113.

It is not an unprimeable number, because it can be changed into a prime (311308803313) 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, 8887745 + ... + 8922702.

It is an arithmetic number, because the mean of its divisors is an integer number (24364692864).

Almost surely, 2^311308803113 is an apocalyptic number.

It is an amenable number.

311308803113 is a deficient number, since it is larger than the sum of its proper divisors (78526282711).

311308803113 is a wasteful number, since it uses less digits than its factorization.

311308803113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17810692.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 311308803113 in words is "three hundred eleven billion, three hundred eight million, eight hundred three thousand, one hundred thirteen".