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1312103303030 = 25133791933917
BaseRepresentation
bin10011000101111111011…
…100111000011101110110
311122102202201211221200202
4103011333130320131312
5132444141421144110
62442434423240502
7163540100025212
oct23057734703566
94572681757622
101312103303030
11466507120973
121923648a9132
139696678b000
1447712bb7942
15241e679e0a5
hex1317f738776

1312103303030 has 128 divisors (see below), whose sum is σ = 2604987302400. Its totient is φ = 475736481792.

The previous prime is 1312103303023. The next prime is 1312103303041. The reversal of 1312103303030 is 303033012131.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1312103302993 and 1312103303011.

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, 334974632 + ... + 334978548.

It is an arithmetic number, because the mean of its divisors is an integer number (20351463300).

Almost surely, 21312103303030 is an apocalyptic number.

1312103303030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312103303030 is a deficient number, since it is larger than the sum of its proper divisors (1292883999370).

1312103303030 is a wasteful number, since it uses less digits than its factorization.

1312103303030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4235 (or 4209 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 1312103303030 its reverse (303033012131), we get a palindrome (1615136315161).

The spelling of 1312103303030 in words is "one trillion, three hundred twelve billion, one hundred three million, three hundred three thousand, thirty".

Divisors: 1 2 5 10 13 26 65 79 130 158 169 193 338 386 395 790 845 965 1027 1690 1930 2054 2197 2509 3917 4394 5018 5135 7834 10270 10985 12545 13351 15247 19585 21970 25090 26702 30494 32617 39170 50921 65234 66755 76235 101842 133510 152470 163085 173563 198211 254605 309443 326170 347126 396422 424021 509210 618886 661973 755981 848042 867815 991055 1323946 1511962 1547215 1735630 1982110 2120105 2576743 3094430 3309865 3779905 4022759 4240210 5153486 6619730 7559810 8045518 8605649 9827753 12883715 17211298 19655506 20113795 25767430 33497659 40227590 43028245 49138765 52295867 59722499 66995318 86056490 98277530 104591734 119444998 127760789 167488295 255521578 261479335 298612495 334976590 522958670 597224990 638803945 679846271 776392487 1277607890 1359692542 1552784974 1660890257 3321780514 3399231355 3881962435 6798462710 7763924870 8304451285 10093102331 16608902570 20186204662 50465511655 100931023310 131210330303 262420660606 656051651515 1312103303030