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31314224224 = 2589101108863
BaseRepresentation
bin11101001010011110…
…010010010001100000
32222211100020102002101
4131022132102101200
51003112420133344
622215140300144
72155665341233
oct351236222140
988740212071
1031314224224
111230a077158
12609b0a1654
132c5074057a
141730bcd41a
15c341c89d4
hex74a792460

31314224224 has 48 divisors (see below), whose sum is σ = 62960405760. Its totient is φ = 15327769600.

The previous prime is 31314224209. The next prime is 31314224243. The reversal of 31314224224 is 42242241313.

It is a junction number, because it is equal to n+sod(n) for n = 31314224192 and 31314224201.

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, 233217 + ... + 342079.

It is an arithmetic number, because the mean of its divisors is an integer number (1311675120).

Almost surely, 231314224224 is an apocalyptic number.

It is an amenable number.

31314224224 is an abundant number, since it is smaller than the sum of its proper divisors (31646181536).

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

31314224224 is a wasteful number, since it uses less digits than its factorization.

31314224224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109063 (or 109055 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

Adding to 31314224224 its reverse (42242241313), we get a palindrome (73556465537).

The spelling of 31314224224 in words is "thirty-one billion, three hundred fourteen million, two hundred twenty-four thousand, two hundred twenty-four".

Divisors: 1 2 4 8 16 32 89 101 178 202 356 404 712 808 1424 1616 2848 3232 8989 17978 35956 71912 108863 143824 217726 287648 435452 870904 1741808 3483616 9688807 10995163 19377614 21990326 38755228 43980652 77510456 87961304 155020912 175922608 310041824 351845216 978569507 1957139014 3914278028 7828556056 15657112112 31314224224