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31243341422 = 2547169716829
BaseRepresentation
bin11101000110001111…
…111000111001101110
32222122101212012011102
4131012033320321232
51002441243411142
622204125123102
72154145006646
oct350617707156
988571765142
1031243341422
1112283062927
12607b3b9492
132c3bb52c97
14172561b526
15c2cd76532
hex7463f8e6e

31243341422 has 16 divisors (see below), whose sum is σ = 46981146960. Its totient is φ = 15582997248.

The previous prime is 31243341401. The next prime is 31243341433. The reversal of 31243341422 is 22414334213.

It is a super-2 number, since 2×312433414222 (a number of 22 digits) contains 22 as substring.

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, 1848104 + ... + 1864932.

It is an arithmetic number, because the mean of its divisors is an integer number (2936321685).

Almost surely, 231243341422 is an apocalyptic number.

31243341422 is a deficient number, since it is larger than the sum of its proper divisors (15737805538).

31243341422 is a wasteful number, since it uses less digits than its factorization.

31243341422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19075.

The product of its digits is 13824, while the sum is 29.

Adding to 31243341422 its reverse (22414334213), we get a palindrome (53657675635).

The spelling of 31243341422 in words is "thirty-one billion, two hundred forty-three million, three hundred forty-one thousand, four hundred twenty-two".

Divisors: 1 2 547 1094 1697 3394 16829 33658 928259 1856518 9205463 18410926 28558813 57117626 15621670711 31243341422