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100311131310 = 2351339531597
BaseRepresentation
bin101110101101100000…
…0100110010010101110
3100120220212002110011120
41131123000212102232
53120414122200220
6114025435401410
710150542355605
oct1353300462256
9316825073146
10100311131310
11395a6022715
1217535bb3266
1395c8107000
144bd84d0a3c
1529216e6a40
hex175b0264ae

100311131310 has 128 divisors (see below), whose sum is σ = 261236949120. Its totient is φ = 24650615808.

The previous prime is 100311131303. The next prime is 100311131329. The reversal of 100311131310 is 13131113001.

It is a super-2 number, since 2×1003111313102 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 100311131310.

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, 62811432 + ... + 62813028.

It is an arithmetic number, because the mean of its divisors is an integer number (2040913665).

Almost surely, 2100311131310 is an apocalyptic number.

100311131310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 100311131310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130618474560).

100311131310 is an abundant number, since it is smaller than the sum of its proper divisors (160925817810).

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

100311131310 is a wasteful number, since it uses less digits than its factorization.

100311131310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2599 (or 2573 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 15.

Adding to 100311131310 its reverse (13131113001), we get a palindrome (113442244311).

The spelling of 100311131310 in words is "one hundred billion, three hundred eleven million, one hundred thirty-one thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 169 195 338 390 507 845 953 1014 1597 1690 1906 2197 2535 2859 3194 4394 4765 4791 5070 5718 6591 7985 9530 9582 10985 12389 13182 14295 15970 20761 21970 23955 24778 28590 32955 37167 41522 47910 61945 62283 65910 74334 103805 123890 124566 161057 185835 207610 269893 311415 322114 371670 483171 539786 622830 805285 809679 966342 1349465 1521941 1610570 1619358 2093741 2415855 2698930 3043882 3508609 4048395 4187482 4565823 4831710 6281223 7017218 7609705 8096790 9131646 10468705 10525827 12562446 15219410 17543045 19785233 20937410 21051654 22829115 31406115 35086090 39570466 45658230 52629135 59355699 62812230 98926165 105258270 118711398 197852330 257208029 296778495 514416058 593556990 771624087 1286040145 1543248174 2572080290 3343704377 3858120435 6687408754 7716240870 10031113131 16718521885 20062226262 33437043770 50155565655 100311131310