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31114421030 = 25711297611831
BaseRepresentation
bin11100111110100100…
…000110001100100110
32222022102021100122002
4130332210012030212
51002210242433110
622143242005302
72151021133520
oct347644061446
988272240562
1031114421030
1112217309050
1260441a6832
132c1b224a24
14171245ca10
15c218acaa5
hex73e906326

31114421030 has 128 divisors (see below), whose sum is σ = 72367810560. Its totient is φ = 9346176000.

The previous prime is 31114421029. The next prime is 31114421047. The reversal of 31114421030 is 3012441113.

It is a junction number, because it is equal to n+sod(n) for n = 31114420993 and 31114421011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16992215 + ... + 16994045.

It is an arithmetic number, because the mean of its divisors is an integer number (565373520).

Almost surely, 231114421030 is an apocalyptic number.

31114421030 is an abundant number, since it is smaller than the sum of its proper divisors (41253389530).

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

31114421030 is a wasteful number, since it uses less digits than its factorization.

31114421030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31114421030 its reverse (3012441113), we get a palindrome (34126862143).

The spelling of 31114421030 in words is "thirty-one billion, one hundred fourteen million, four hundred twenty-one thousand, thirty".

Divisors: 1 2 5 7 10 11 14 22 29 35 55 58 70 77 110 145 154 203 290 319 385 406 638 761 770 1015 1522 1595 1831 2030 2233 3190 3662 3805 4466 5327 7610 8371 9155 10654 11165 12817 16742 18310 20141 22069 22330 25634 26635 40282 41855 44138 53099 53270 58597 64085 83710 100705 106198 110345 117194 128170 140987 154483 201410 220690 242759 265495 281974 292985 308966 371693 485518 530990 584089 585970 704935 743386 772415 1168178 1213795 1393391 1409870 1544830 1699313 1858465 2427590 2786782 2920445 3398626 3716930 4088623 5840890 6966955 8177246 8496565 9753737 13933910 15327301 16993130 19507474 20443115 30654602 40408339 40886230 48768685 76636505 80816678 97537370 107291107 153273010 202041695 214582214 282858373 404083390 444491729 536455535 565716746 888983458 1072911070 1414291865 2222458645 2828583730 3111442103 4444917290 6222884206 15557210515 31114421030