311313223450204 has 24 divisors (see below), whose sum is σ = 544836913705728. Its totient is φ = 155645534338800.

The previous prime is 311313223450157. The next prime is 311313223450219. The reversal of 311313223450204 is 402054322313113.

It is a self number, because there is not a number n which added to its sum of digits gives 311313223450204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6055827069 + ... + 6055878475.

It is an arithmetic number, because the mean of its divisors is an integer number (22701538071072).

Almost surely, 2^{311313223450204} is an apocalyptic number.

It is an amenable number.

311313223450204 is a deficient number, since it is larger than the sum of its proper divisors (233523690255524).

311313223450204 is a wasteful number, since it uses less digits than its factorization.

311313223450204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129705 (or 129703 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 311313223450204 its reverse (402054322313113), we get a palindrome (713367545763317).

The spelling of 311313223450204 in words is "three hundred eleven trillion, three hundred thirteen billion, two hundred twenty-three million, four hundred fifty thousand, two hundred four".