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331421130442420 = 2251731191164628953
BaseRepresentation
bin100101101011011001111111…
…0110000000100011010110100
31121110110112212102021211112121
41023112303332300010122310
5321420000433343124140
63132512433200525324
7126544246366466614
oct11326637660043264
91543415772254477
10331421130442420
1196667a04004a17
1231207776020844
13112c0b560a49a5
145bbac22898a44
15284b0568ae64a
hex12d6cfec046b4

331421130442420 has 96 divisors (see below), whose sum is σ = 764679101792256. Its totient is φ = 120113283379200.

The previous prime is 331421130442417. The next prime is 331421130442421. The reversal of 331421130442420 is 24244031124133.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331421130442421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80301337 + ... + 84327616.

It is an arithmetic number, because the mean of its divisors is an integer number (7965407310336).

Almost surely, 2331421130442420 is an apocalyptic number.

It is an amenable number.

331421130442420 is an abundant number, since it is smaller than the sum of its proper divisors (433257971349836).

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

331421130442420 is a wasteful number, since it uses less digits than its factorization.

331421130442420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164629201 (or 164629199 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 331421130442420 its reverse (24244031124133), we get a palindrome (355665161566553).

The spelling of 331421130442420 in words is "three hundred thirty-one trillion, four hundred twenty-one billion, one hundred thirty million, four hundred forty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 20 31 34 62 68 85 124 155 170 191 310 340 382 527 620 764 955 1054 1910 2108 2635 3247 3820 5270 5921 6494 10540 11842 12988 16235 23684 29605 32470 59210 64940 100657 118420 201314 402628 503285 1006570 2013140 164628953 329257906 658515812 823144765 1646289530 2798692201 3292579060 5103497543 5597384402 10206995086 11194768804 13993461005 20413990172 25517487715 27986922010 31444130023 51034975430 55973844020 62888260046 86759458231 102069950860 125776520092 157220650115 173518916462 314441300230 347037832924 433797291155 534550210391 628882600460 867594582310 974768030713 1069100420782 1735189164620 1949536061426 2138200841564 2672751051955 3899072122852 4873840153565 5345502103910 9747680307130 10691004207820 16571056522121 19495360614260 33142113044242 66284226088484 82855282610605 165710565221210 331421130442420