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131313221213211 = 3219950617313239
BaseRepresentation
bin11101110110110110111101…
…111001111001110000011011
3122012221102101011101221221100
4131312312331321321300123
5114202413434112310321
61143140243330042443
736442032014636232
oct3566667571716033
9565842334357840
10131313221213211
1138927696056604
1212889470119423
135836a25824cbb
14245d845617b19
15102ab5906a326
hex776dbde79c1b

131313221213211 has 12 divisors (see below), whose sum is σ = 189674773871440. Its totient is φ = 87542091625680.

The previous prime is 131313221213189. The next prime is 131313221213231. The reversal of 131313221213211 is 112312122313131.

131313221213211 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 1 + 322 + 12 + 1 + 321 + 1 = 666.

It is not a de Polignac number, because 131313221213211 - 217 = 131313221082139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131313221213231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14298930 + ... + 21612168.

Almost surely, 2131313221213211 is an apocalyptic number.

131313221213211 is a deficient number, since it is larger than the sum of its proper divisors (58361552658229).

131313221213211 is a wasteful number, since it uses less digits than its factorization.

131313221213211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9308306 (or 9308303 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

Adding to 131313221213211 its reverse (112312122313131), we get a palindrome (243625343526342).

The spelling of 131313221213211 in words is "one hundred thirty-one trillion, three hundred thirteen billion, two hundred twenty-one million, two hundred thirteen thousand, two hundred eleven".

Divisors: 1 3 9 1995061 5985183 7313239 17955549 21939717 65819151 14590357912579 43771073737737 131313221213211