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13031210321211 = 35867799392627
BaseRepresentation
bin1011110110100001000010…
…1010011000010100111011
31201010202211110020010020010
42331220100222120110323
53202000404320234321
643414242210033003
72513321353063455
oct275502052302473
951122743203203
1013031210321211
114174561559a95
121565651b78763
13736ab7a197c4
143309dd0c92d5
15178e89689676
hexbda10a9853b

13031210321211 has 16 divisors (see below), whose sum is σ = 17380270341504. Its totient is φ = 8684812350144.

The previous prime is 13031210321203. The next prime is 13031210321291. The reversal of 13031210321211 is 11212301213031.

It is not a de Polignac number, because 13031210321211 - 23 = 13031210321203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13031210321201) 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, 140638480 + ... + 140731106.

It is an arithmetic number, because the mean of its divisors is an integer number (1086266896344).

Almost surely, 213031210321211 is an apocalyptic number.

13031210321211 is a deficient number, since it is larger than the sum of its proper divisors (4349060020293).

13031210321211 is an equidigital number, since it uses as much as digits as its factorization.

13031210321211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106490.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 13031210321211 its reverse (11212301213031), we get a palindrome (24243511534242).

The spelling of 13031210321211 in words is "thirteen trillion, thirty-one billion, two hundred ten million, three hundred twenty-one thousand, two hundred eleven".

Divisors: 1 3 5867 7993 17601 23979 92627 277881 46894931 140684793 543442609 740367611 1630327827 2221102833 4343736773737 13031210321211