313211004320 has 48 divisors (see below), whose sum is σ = 743220823968. Its totient is φ = 124732473600.

The previous prime is 313211004299. The next prime is 313211004347. The reversal of 313211004320 is 23400112313.

It is a super-2 number, since 2×313211004320² (a number of 24 digits) contains 22 as substring.

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 = 313211004292 and 313211004301.

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 7 ways as a sum of consecutive naturals, for example, 4275506 + ... + 4348145.

It is an arithmetic number, because the mean of its divisors is an integer number (15483767166).

Almost surely, 2^313211004320 is an apocalyptic number.

It is an amenable number.

313211004320 is an abundant number, since it is smaller than the sum of its proper divisors (430009819648).

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

313211004320 is a wasteful number, since it uses less digits than its factorization.

313211004320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8623893 (or 8623885 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 313211004320 its reverse (23400112313), we get a palindrome (336611116633).

The spelling of 313211004320 in words is "three hundred thirteen billion, two hundred eleven million, four thousand, three hundred twenty".