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31240003322 = 21123618571181
BaseRepresentation
bin11101000110000011…
…001001111011111010
32222122011120121011002
4131012003021323322
51002434420101242
622203525405002
72154104434613
oct350603117372
988564517132
1031240003322
1112281192970
12607a269762
132c3b254788
141724dccc0a
15c2c917432
hex7460c9efa

31240003322 has 64 divisors (see below), whose sum is σ = 54326308608. Its totient is φ = 13333056000.

The previous prime is 31240003321. The next prime is 31240003331. The reversal of 31240003322 is 22330004213.

It is a junction number, because it is equal to n+sod(n) for n = 31240003294 and 31240003303.

It is not an unprimeable number, because it can be changed into a prime (31240003321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26451572 + ... + 26452752.

It is an arithmetic number, because the mean of its divisors is an integer number (848848572).

Almost surely, 231240003322 is an apocalyptic number.

31240003322 is a deficient number, since it is larger than the sum of its proper divisors (23086305286).

31240003322 is a wasteful number, since it uses less digits than its factorization.

31240003322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 31240003322 its reverse (22330004213), we get a palindrome (53570007535).

The spelling of 31240003322 in words is "thirty-one billion, two hundred forty million, three thousand, three hundred twenty-two".

Divisors: 1 2 11 22 23 46 61 122 253 506 671 857 1181 1342 1403 1714 2362 2806 9427 12991 15433 18854 19711 25982 27163 30866 39422 52277 54326 72041 104554 144082 216821 298793 433642 575047 597586 792451 1012117 1150094 1202371 1584902 1656943 2024234 2404742 3313886 11133287 13226081 18226373 22266574 23278691 26452162 36452746 46557382 61739137 123478274 256065601 512131202 679130507 1358261014 1420000151 2840000302 15620001661 31240003322