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31344010222 = 27397471041
BaseRepresentation
bin11101001100001111…
…111010001111101110
32222220102021200210111
4131030033322033232
51003143031311342
622222122530234
72156506456000
oct351417721756
988812250714
1031344010222
1112324970888
1260a906697a
132c5696c015
141734b44370
15c36b0e217
hex74c3fa3ee

31344010222 has 32 divisors (see below), whose sum is σ = 55394539200. Its totient is φ = 13294632960.

The previous prime is 31344010199. The next prime is 31344010223. The reversal of 31344010222 is 22201044313.

It is a junction number, because it is equal to n+sod(n) for n = 31344010193 and 31344010202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31344010223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168979 + ... + 302062.

It is an arithmetic number, because the mean of its divisors is an integer number (1731079350).

Almost surely, 231344010222 is an apocalyptic number.

31344010222 is a deficient number, since it is larger than the sum of its proper divisors (24050528978).

31344010222 is an equidigital number, since it uses as much as digits as its factorization.

31344010222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471161 (or 471147 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 31344010222 its reverse (22201044313), we get a palindrome (53545054535).

The spelling of 31344010222 in words is "thirty-one billion, three hundred forty-four million, ten thousand, two hundred twenty-two".

Divisors: 1 2 7 14 49 97 98 194 343 679 686 1358 4753 9506 33271 66542 471041 942082 3297287 6594574 23081009 45690977 46162018 91381954 161567063 319836839 323134126 639673678 2238857873 4477715746 15672005111 31344010222