311313211002 has 32 divisors (see below), whose sum is σ = 697254451200. Its totient is φ = 102953973024.

The previous prime is 311313210973. The next prime is 311313211039. The reversal of 311313211002 is 200112313113.

311313211002 is a `hidden beast` number, since 311 + 31 + 321 + 1 + 0 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 15 ways as a sum of consecutive naturals, for example, 22690227 + ... + 22703942.

It is an arithmetic number, because the mean of its divisors is an integer number (21789201600).

Almost surely, 2^311313211002 is an apocalyptic number.

311313211002 is an abundant number, since it is smaller than the sum of its proper divisors (385941240198).

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

311313211002 is a wasteful number, since it uses less digits than its factorization.

311313211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45394307 (or 45394301 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 311313211002 its reverse (200112313113), we get a palindrome (511425524115).

The spelling of 311313211002 in words is "three hundred eleven billion, three hundred thirteen million, two hundred eleven thousand, two".