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31122233010030 = 23597463157914629
BaseRepresentation
bin1110001001110001101011…
…01001001010011101101110
311002012020220221002110100210
413010320311221022131232
513034401313122310110
6150105204555203250
76361335642523041
oct704706551123556
9132166827073323
1031122233010030
119a099571a75a8
1235a7844a46526
131449a77410856
1479847752ac58
1538e862583520
hex1c4e35a4a76e

31122233010030 has 128 divisors (see below), whose sum is σ = 75679449753600. Its totient is φ = 8190212050944.

The previous prime is 31122233009981. The next prime is 31122233010101. The reversal of 31122233010030 is 3001033222113.

It is a junction number, because it is equal to n+sod(n) for n = 31122233009979 and 31122233010006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2127426756 + ... + 2127441384.

It is an arithmetic number, because the mean of its divisors is an integer number (591245701200).

Almost surely, 231122233010030 is an apocalyptic number.

31122233010030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31122233010030 is an abundant number, since it is smaller than the sum of its proper divisors (44557216743570).

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

31122233010030 is a wasteful number, since it uses less digits than its factorization.

31122233010030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16778.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 31122233010030 its reverse (3001033222113), we get a palindrome (34123266232143).

The spelling of 31122233010030 in words is "thirty-one trillion, one hundred twenty-two billion, two hundred thirty-three million, ten thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 97 194 291 463 485 582 926 970 1389 1455 1579 2315 2778 2910 3158 4630 4737 6945 7895 9474 13890 14629 15790 23685 29258 43887 44911 47370 73145 87774 89822 134733 146290 153163 219435 224555 269466 306326 438870 449110 459489 673665 731077 765815 918978 1347330 1419013 1462154 1531630 2193231 2297445 2838026 3655385 4257039 4386462 4594890 6773227 7095065 7310770 8514078 10966155 13546454 14190130 20319681 21285195 21932310 23099191 33866135 40639362 42570390 46198382 67732270 69297573 70914469 101598405 115495955 138595146 141828938 203196810 212743407 230991910 346487865 354572345 425486814 657003019 692975730 709144690 1063717035 1314006038 1971009057 2127434070 2240621527 3285015095 3942018114 4481243054 6570030190 6721864581 9855045285 10694925433 11203107635 13443729162 19710090570 21389850866 22406215270 32084776299 33609322905 53474627165 64169552598 67218645810 106949254330 160423881495 320847762990 1037407767001 2074815534002 3112223301003 5187038835005 6224446602006 10374077670010 15561116505015 31122233010030