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313111000220 = 225145910730329
BaseRepresentation
bin1001000111001101101…
…11101011010010011100
31002221012020120211212212
410203212313223102130
520112222404001340
6355501411215552
731423116405644
oct4434667532234
91087166524785
10313111000220
11110875aa6877
12508242a75b8
13236ac1c5cc5
1411224523524
158228739a65
hex48e6deb49c

313111000220 has 24 divisors (see below), whose sum is σ = 657983835600. Its totient is φ = 125158545792.

The previous prime is 313111000219. The next prime is 313111000243. The reversal of 313111000220 is 22000111313.

It is a junction number, because it is equal to n+sod(n) for n = 313111000195 and 313111000204.

It is a congruent number.

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, 5335985 + ... + 5394344.

It is an arithmetic number, because the mean of its divisors is an integer number (27415993150).

Almost surely, 2313111000220 is an apocalyptic number.

It is an amenable number.

313111000220 is an abundant number, since it is smaller than the sum of its proper divisors (344872835380).

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

313111000220 is a wasteful number, since it uses less digits than its factorization.

313111000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10731797 (or 10731795 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 313111000220 its reverse (22000111313), we get a palindrome (335111111533).

The spelling of 313111000220 in words is "three hundred thirteen billion, one hundred eleven million, two hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 1459 2918 5836 7295 14590 29180 10730329 21460658 42921316 53651645 107303290 214606580 15655550011 31311100022 62622200044 78277750055 156555500110 313111000220