311312301300320 has 96 divisors (see below), whose sum is σ = 767502239136192. Its totient is φ = 119103073779712.

The previous prime is 311312301300313. The next prime is 311312301300331. The reversal of 311312301300320 is 23003103213113.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54206984 + ... + 59674296.

It is an arithmetic number, because the mean of its divisors is an integer number (7994814991002).

Almost surely, 2^{311312301300320} is an apocalyptic number.

It is an amenable number.

311312301300320 is an abundant number, since it is smaller than the sum of its proper divisors (456189937835872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311312301300320 is a wasteful number, since it uses less digits than its factorization.

311312301300320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5482824 (or 5482816 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 311312301300320 its reverse (23003103213113), we get a palindrome (334315404513433).

The spelling of 311312301300320 in words is "three hundred eleven trillion, three hundred twelve billion, three hundred one million, three hundred thousand, three hundred twenty".