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131332431324 = 22313913786629
BaseRepresentation
bin111101001010000000…
…1011101110111011100
3110112222210010202210010
41322110001131313130
54122432100300244
6140155553443220
712326353150533
oct1722401356734
9415883122703
10131332431324
1150774808546
1221552b70510
13c4ccc56333
1464dc42d31a
153639d0ceb9
hex1e9405dddc

131332431324 has 24 divisors (see below), whose sum is σ = 306464754960. Its totient is φ = 43774274944.

The previous prime is 131332431289. The next prime is 131332431371. The reversal of 131332431324 is 423134233131.

131332431324 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 131332431291 and 131332431300.

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, 226359 + ... + 560270.

It is an arithmetic number, because the mean of its divisors is an integer number (12769364790).

Almost surely, 2131332431324 is an apocalyptic number.

It is an amenable number.

131332431324 is an abundant number, since it is smaller than the sum of its proper divisors (175132323636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131332431324 is a wasteful number, since it uses less digits than its factorization.

131332431324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800549 (or 800547 counting only the distinct ones).

The product of its digits is 15552, while the sum is 30.

Adding to 131332431324 its reverse (423134233131), we get a palindrome (554466664455).

The spelling of 131332431324 in words is "one hundred thirty-one billion, three hundred thirty-two million, four hundred thirty-one thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 12 13913 27826 41739 55652 83478 166956 786629 1573258 2359887 3146516 4719774 9439548 10944369277 21888738554 32833107831 43777477108 65666215662 131332431324