313111131300220 has 96 divisors (see below), whose sum is σ = 718014396367296. Its totient is φ = 113746661683200.

The previous prime is 313111131300203. The next prime is 313111131300229. The reversal of 313111131300220 is 22003131111313.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 313111131300191 and 313111131300200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313111131300229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4452562660 + ... + 4452632980.

It is an arithmetic number, because the mean of its divisors is an integer number (7479316628826).

Almost surely, 2^{313111131300220} is an apocalyptic number.

It is an amenable number.

313111131300220 is an abundant number, since it is smaller than the sum of its proper divisors (404903265067076).

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

313111131300220 is a wasteful number, since it uses less digits than its factorization.

313111131300220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89951 (or 89949 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 313111131300220 its reverse (22003131111313), we get a palindrome (335114262411533).

The spelling of 313111131300220 in words is "three hundred thirteen trillion, one hundred eleven billion, one hundred thirty-one million, three hundred thousand, two hundred twenty".