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131331420552015 = 32543227443674929
BaseRepresentation
bin11101110111000111111010…
…101010110111101101001111
3122020000011100111200011101200
4131313013322222313231033
5114203213222130131030
61143152453253040543
736443245013523105
oct3567077252675517
9566004314604350
10131331420552015
113893438510a182
1212890aab026153
13583866613a928
1424606906d3c75
15102b371b9bd60
hex7771faab7b4f

131331420552015 has 96 divisors (see below), whose sum is σ = 234489731224320. Its totient is φ = 67959267038208.

The previous prime is 131331420552001. The next prime is 131331420552113. The reversal of 131331420552015 is 510255024133131.

It is a happy number.

131331420552015 is a `hidden beast` number, since 1 + 31 + 3 + 31 + 42 + 0 + 552 + 0 + 1 + 5 = 666.

It is not a de Polignac number, because 131331420552015 - 218 = 131331420289871 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 194248071 + ... + 194922999.

It is an arithmetic number, because the mean of its divisors is an integer number (2442601366920).

Almost surely, 2131331420552015 is an apocalyptic number.

131331420552015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131331420552015 is a deficient number, since it is larger than the sum of its proper divisors (103158310672305).

131331420552015 is a wasteful number, since it uses less digits than its factorization.

131331420552015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675653 (or 675650 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

Adding to 131331420552015 its reverse (510255024133131), we get a palindrome (641586444685146).

The spelling of 131331420552015 in words is "one hundred thirty-one trillion, three hundred thirty-one billion, four hundred twenty million, five hundred fifty-two thousand, fifteen".

Divisors: 1 3 5 9 15 43 45 129 215 227 387 443 645 681 1135 1329 1935 2043 2215 3405 3987 6645 9761 10215 19049 19935 29283 48805 57147 87849 95245 100561 146415 171441 285735 301683 439245 502805 674929 857205 905049 1508415 2024787 3374645 4324123 4525245 6074361 10123935 12972369 21620615 29021947 30371805 38917107 64861845 87065841 145109735 153208883 194585535 261197523 298993547 435329205 459626649 766044415 896980641 1305987615 1378879947 1494967735 2298133245 2690941923 4484903205 6587981969 6894399735 12856722521 13454709615 19763945907 32939909845 38570167563 59291837721 64283612605 67871535169 98819729535 115710502689 192850837815 203614605507 296459188605 339357675845 578552513445 610843816521 1018073027535 2918476012267 3054219082605 8755428036801 14592380061335 26266284110403 43777140184005 131331420552015