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131242033403340 = 22352187367223389
BaseRepresentation
bin11101110101110100101010…
…110001111101010111001100
3122012200121121221222112020120
4131311310222301331113030
5114200232141022401330
61143043431404144540
736433631635352106
oct3565645261752714
9565617557875216
10131242033403340
11388aa485424392
1212877703538150
1358300bc293892
14245a210d66576
151028d8e52ac10
hex775d2ac7d5cc

131242033403340 has 24 divisors (see below), whose sum is σ = 367477693529520. Its totient is φ = 34997875574208.

The previous prime is 131242033403321. The next prime is 131242033403353. The reversal of 131242033403340 is 43304330242131.

It is a happy 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, 1093683611635 + ... + 1093683611754.

It is an arithmetic number, because the mean of its divisors is an integer number (15311570563730).

Almost surely, 2131242033403340 is an apocalyptic number.

131242033403340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131242033403340 is an abundant number, since it is smaller than the sum of its proper divisors (236235660126180).

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

131242033403340 is a wasteful number, since it uses less digits than its factorization.

131242033403340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187367223401 (or 2187367223399 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 131242033403340 its reverse (43304330242131), we get a palindrome (174546363645471).

The spelling of 131242033403340 in words is "one hundred thirty-one trillion, two hundred forty-two billion, thirty-three million, four hundred three thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2187367223389 4374734446778 6562101670167 8749468893556 10936836116945 13124203340334 21873672233890 26248406680668 32810508350835 43747344467780 65621016701670 131242033403340