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131303220302 = 2307808926437
BaseRepresentation
bin111101001001001001…
…0000010010001001110
3110112220202011200210102
41322102102002101032
54122402111022202
6140153031411102
712325546646312
oct1722222022116
9415822150712
10131303220302
115075a276901
1221545223a92
13c4c6b994c7
1464d85c7b42
15363748cd02
hex1e9248244e

131303220302 has 16 divisors (see below), whose sum is σ = 197628280080. Its totient is φ = 65427196608.

The previous prime is 131303220299. The next prime is 131303220361. The reversal of 131303220302 is 203022303131.

131303220302 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4953428 + ... + 4979864.

It is an arithmetic number, because the mean of its divisors is an integer number (12351767505).

Almost surely, 2131303220302 is an apocalyptic number.

131303220302 is a deficient number, since it is larger than the sum of its proper divisors (66325059778).

131303220302 is a wasteful number, since it uses less digits than its factorization.

131303220302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34835.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 131303220302 its reverse (203022303131), we get a palindrome (334325523433).

The spelling of 131303220302 in words is "one hundred thirty-one billion, three hundred three million, two hundred twenty thousand, three hundred two".

Divisors: 1 2 307 614 8089 16178 26437 52874 2483323 4966646 8116159 16232318 213848893 427697786 65651610151 131303220302