311014131320 has 64 divisors (see below), whose sum is σ = 727549149600. Its totient is φ = 119559813120.

The previous prime is 311014131299. The next prime is 311014131359. The reversal of 311014131320 is 23131410113.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 311014131292 and 311014131301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1305365 + ... + 1525124.

Almost surely, 2^311014131320 is an apocalyptic number.

It is an amenable number.

311014131320 is an abundant number, since it is smaller than the sum of its proper divisors (416535018280).

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

311014131320 is a wasteful number, since it uses less digits than its factorization.

311014131320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830608 (or 2830604 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 311014131320 its reverse (23131410113), we get a palindrome (334145541433).

The spelling of 311014131320 in words is "three hundred eleven billion, fourteen million, one hundred thirty-one thousand, three hundred twenty".