313103210021320 has 32 divisors (see below), whose sum is σ = 704482824121920. Its totient is φ = 125241177062080.

The previous prime is 313103210021311. The next prime is 313103210021363. The reversal of 313103210021320 is 23120012301313.

It is a junction number, because it is equal to n+sod(n) for n = 313103210021291 and 313103210021300.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57974559 + ... + 63144721.

It is an arithmetic number, because the mean of its divisors is an integer number (22015088253810).

Almost surely, 2^{313103210021320} is an apocalyptic number.

It is an amenable number.

313103210021320 is an abundant number, since it is smaller than the sum of its proper divisors (391379614100600).

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

313103210021320 is a wasteful number, since it uses less digits than its factorization.

313103210021320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6684165 (or 6684161 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 313103210021320 its reverse (23120012301313), we get a palindrome (336223222322633).

The spelling of 313103210021320 in words is "three hundred thirteen trillion, one hundred three billion, two hundred ten million, twenty-one thousand, three hundred twenty".