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131443311202 = 2723408209041
BaseRepresentation
bin111101001101010100…
…0011100001001100010
3110120021111210001101021
41322122220130021202
54123143441424302
6140214554200054
712332200465510
oct1723250341142
9416244701337
10131443311202
1150821360205
122158412302a
13c519c09028
14650d0534b0
153644911437
hex1e9aa1c262

131443311202 has 16 divisors (see below), whose sum is σ = 235128408192. Its totient is φ = 53883593280.

The previous prime is 131443311173. The next prime is 131443311221. The reversal of 131443311202 is 202113344131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204104199 + ... + 204104842.

It is an arithmetic number, because the mean of its divisors is an integer number (14695525512).

Almost surely, 2131443311202 is an apocalyptic number.

131443311202 is a deficient number, since it is larger than the sum of its proper divisors (103685096990).

131443311202 is a wasteful number, since it uses less digits than its factorization.

131443311202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408209073.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 131443311202 its reverse (202113344131), we get a palindrome (333556655333).

The spelling of 131443311202 in words is "one hundred thirty-one billion, four hundred forty-three million, three hundred eleven thousand, two hundred two".

Divisors: 1 2 7 14 23 46 161 322 408209041 816418082 2857463287 5714926574 9388807943 18777615886 65721655601 131443311202