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131321221302033 = 32717166373731521
BaseRepresentation
bin11101110110111110011010…
…101111110100011100010001
3122012222012000200222120200100
4131312332122233310130101
5114203031330123131113
61143144045231443013
736442434166366320
oct3566763257643421
9565865020876610
10131321221302033
1138930020984764
121288ab23386469
1358376cc099679
14245dda3d060b7
15102ae76581d73
hex776f9abf4711

131321221302033 has 48 divisors (see below), whose sum is σ = 229674280882176. Its totient is φ = 70584068874240.

The previous prime is 131321221302031. The next prime is 131321221302049. The reversal of 131321221302033 is 330203122123131.

131321221302033 is a `hidden beast` number, since 1 + 3 + 1 + 321 + 2 + 2 + 1 + 302 + 0 + 33 = 666.

It is not a de Polignac number, because 131321221302033 - 21 = 131321221302031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131321221301988 and 131321221302006.

It is not an unprimeable number, because it can be changed into a prime (131321221302031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35084688 + ... + 38646833.

It is an arithmetic number, because the mean of its divisors is an integer number (4784880851712).

Almost surely, 2131321221302033 is an apocalyptic number.

It is an amenable number.

131321221302033 is a deficient number, since it is larger than the sum of its proper divisors (98353059580143).

131321221302033 is a wasteful number, since it uses less digits than its factorization.

131321221302033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73733214 (or 73733211 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 131321221302033 its reverse (330203122123131), we get a palindrome (461524343425164).

The spelling of 131321221302033 in words is "one hundred thirty-one trillion, three hundred twenty-one billion, two hundred twenty-one million, three hundred two thousand, thirty-three".

Divisors: 1 3 7 9 17 21 51 63 119 153 357 1071 1663 4989 11641 14967 28271 34923 84813 104769 197897 254439 593691 1781073 73731521 221194563 516120647 663583689 1253435857 1548361941 3760307571 4645085823 8774050999 11280922713 26322152997 78966458991 122615519423 367846558269 858308635961 1103539674807 2084463830191 2574925907883 6253391490573 7724777723649 14591246811337 18760174471719 43773740434011 131321221302033