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3121311004230 = 2351753527911243
BaseRepresentation
bin101101011010111100101…
…000100011011001000110
3102001101122112022210122210
4231122330220203121012
5402114421104113410
610345524355204250
7441335665531206
oct55327450433106
912041575283583
103121311004230
11aa3816764771
12424b208a6686
13198452505c03
14ab1023c6406
15562d4860220
hex2d6bca23646

3121311004230 has 64 divisors (see below), whose sum is σ = 7497506396160. Its totient is φ = 831643228416.

The previous prime is 3121311004213. The next prime is 3121311004247. The reversal of 3121311004230 is 324001131213.

3121311004230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3121311004213) and next prime (3121311004247).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3121311004197 and 3121311004206.

It is a congruent number.

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, 277616989 + ... + 277628231.

It is an arithmetic number, because the mean of its divisors is an integer number (117148537440).

Almost surely, 23121311004230 is an apocalyptic number.

3121311004230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3121311004230 is an abundant number, since it is smaller than the sum of its proper divisors (4376195391930).

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

3121311004230 is a wasteful number, since it uses less digits than its factorization.

3121311004230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18285.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 3121311004230 its reverse (324001131213), we get a palindrome (3445312135443).

The spelling of 3121311004230 in words is "three trillion, one hundred twenty-one billion, three hundred eleven million, four thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1753 3506 5259 5279 8765 10518 10558 11243 15837 17530 22486 26295 26395 31674 33729 52590 52790 56215 67458 79185 112430 158370 168645 337290 9254087 18508174 19708979 27762261 39417958 46270435 55524522 59126937 59351797 92540870 98544895 118253874 118703594 138811305 178055391 197089790 277622610 295634685 296758985 356110782 591269370 593517970 890276955 1780553910 104043700141 208087400282 312131100423 520218500705 624262200846 1040437001410 1560655502115 3121311004230