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111230031430 = 25731594391979
BaseRepresentation
bin110011110010111010…
…0111001011001000110
3101122002210221001021201
41213211310321121012
53310244342001210
6123033125333114
711015245444630
oct1474564713106
9348083831251
10111230031430
11431994a8a11
121968286719a
13a6482a775b
1455526cda50
152d600b653a
hex19e5d39646

111230031430 has 128 divisors (see below), whose sum is σ = 240869376000. Its totient is φ = 36179360640.

The previous prime is 111230031389. The next prime is 111230031457. The reversal of 111230031430 is 34130032111.

111230031430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 111230031398 and 111230031407.

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, 56204181 + ... + 56206159.

It is an arithmetic number, because the mean of its divisors is an integer number (1881792000).

Almost surely, 2111230031430 is an apocalyptic number.

111230031430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111230031430 is an abundant number, since it is smaller than the sum of its proper divisors (129639344570).

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

111230031430 is a wasteful number, since it uses less digits than its factorization.

111230031430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 111230031430 its reverse (34130032111), we get a palindrome (145360063541).

The spelling of 111230031430 in words is "one hundred eleven billion, two hundred thirty million, thirty-one thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 31 35 59 62 70 118 155 217 295 310 413 434 439 590 826 878 1085 1829 1979 2065 2170 2195 3073 3658 3958 4130 4390 6146 9145 9895 12803 13609 13853 15365 18290 19790 25606 25901 27218 27706 30730 51802 61349 64015 68045 69265 95263 116761 122698 128030 129505 136090 138530 181307 190526 233522 259010 306745 362614 429443 476315 583805 613490 802931 817327 858886 868781 906535 952630 1167610 1605862 1634654 1737562 1813070 2147215 3619591 4014655 4086635 4294430 4343905 5620517 6081467 7239182 8029310 8173270 8687810 11241034 12162934 18097955 25337137 26932211 28102585 30407335 36195910 50674274 51258079 53864422 56205170 60814670 102516158 126685685 134661055 188525477 253371370 256290395 269322110 358806553 377050954 512580790 717613106 942627385 1589000449 1794032765 1885254770 3178000898 3588065530 7945002245 11123003143 15890004490 22246006286 55615015715 111230031430