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131211234021322 = 27134243169912997
BaseRepresentation
bin11101110101010111111110…
…111111101000111111001010
3122012120200010111111210220001
4131311113332333220333022
5114144231101402140242
61143021335254353214
736431461461052330
oct3565277677507712
9565520114453801
10131211234021322
113889840aa31864
121287174895b80a
13582a221403c90
14245892c6b3b50
15102818a64ceb7
hex7755fefe8fca

131211234021322 has 32 divisors (see below), whose sum is σ = 242293216540032. Its totient is φ = 51895506890304.

The previous prime is 131211234021317. The next prime is 131211234021323. The reversal of 131211234021322 is 223120432112131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (131211234021323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84184273 + ... + 85728724.

It is an arithmetic number, because the mean of its divisors is an integer number (7571663016876).

Almost surely, 2131211234021322 is an apocalyptic number.

131211234021322 is a deficient number, since it is larger than the sum of its proper divisors (111081982518710).

131211234021322 is a wasteful number, since it uses less digits than its factorization.

131211234021322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169917262.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 131211234021322 its reverse (223120432112131), we get a palindrome (354331666133453).

The spelling of 131211234021322 in words is "one hundred thirty-one trillion, two hundred eleven billion, two hundred thirty-four million, twenty-one thousand, three hundred twenty-two".

Divisors: 1 2 7 13 14 26 91 182 4243 8486 29701 55159 59402 110318 386113 772226 169912997 339825994 1189390979 2208868961 2378781958 4417737922 15462082727 30924165454 720940846271 1441881692542 5046585923897 9372231001523 10093171847794 18744462003046 65605617010661 131211234021322