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103031221130 = 25234389117053
BaseRepresentation
bin101111111110100100…
…0111010101110001010
3100211221102102022220222
41133331020322232022
53142001443034010
6115155404350042
710305131633615
oct1377510725612
9324842368828
10103031221130
113a771490432
1217b74b45322
13993c805a06
144db587317c
152a303e9355
hex17fd23ab8a

103031221130 has 64 divisors (see below), whose sum is σ = 200246618880. Its totient is φ = 38070928896.

The previous prime is 103031221123. The next prime is 103031221147. The reversal of 103031221130 is 31122130301.

It is a junction number, because it is equal to n+sod(n) for n = 103031221099 and 103031221108.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 821684 + ... + 938736.

It is an arithmetic number, because the mean of its divisors is an integer number (3128853420).

Almost surely, 2103031221130 is an apocalyptic number.

103031221130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103031221130 is a deficient number, since it is larger than the sum of its proper divisors (97215397750).

103031221130 is a wasteful number, since it uses less digits than its factorization.

103031221130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117215.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 103031221130 its reverse (31122130301), we get a palindrome (134153351431).

The spelling of 103031221130 in words is "one hundred three billion, thirty-one million, two hundred twenty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 23 43 46 86 89 115 178 215 230 430 445 890 989 1978 2047 3827 4094 4945 7654 9890 10235 19135 20470 38270 88021 117053 176042 234106 440105 585265 880210 1170530 2692219 5033279 5384438 10066558 10417717 13461095 20835434 25166395 26922190 50332790 52088585 104177170 115765417 231530834 239607491 447961831 479214982 578827085 895923662 1157654170 1198037455 2239809155 2396074910 4479618310 10303122113 20606244226 51515610565 103031221130