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131344502314540 = 22510761375935661
BaseRepresentation
bin11101110111010100000110…
…011001110101011000101100
3122020001102010012022112221211
4131313110012121311120230
5114203422020043031130
61143202455324404204
736444220131624334
oct3567240631653054
9566042105275854
10131344502314540
1138939988459a69
12128935400a6664
13583996c439008
142461171c640c4
15102b88a39ea2a
hex77750667562c

131344502314540 has 24 divisors (see below), whose sum is σ = 278401244162832. Its totient is φ = 52046793439680.

The previous prime is 131344502314517. The next prime is 131344502314561. The reversal of 131344502314540 is 45413205443131.

It is a junction number, because it is equal to n+sod(n) for n = 131344502314493 and 131344502314502.

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, 30687965691 + ... + 30687969970.

It is an arithmetic number, because the mean of its divisors is an integer number (11600051840118).

Almost surely, 2131344502314540 is an apocalyptic number.

131344502314540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131344502314540 is an abundant number, since it is smaller than the sum of its proper divisors (147056741848292).

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

131344502314540 is a wasteful number, since it uses less digits than its factorization.

131344502314540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61375935777 (or 61375935775 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 131344502314540 its reverse (45413205443131), we get a palindrome (176757707757671).

The spelling of 131344502314540 in words is "one hundred thirty-one trillion, three hundred forty-four billion, five hundred two million, three hundred fourteen thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 107 214 428 535 1070 2140 61375935661 122751871322 245503742644 306879678305 613759356610 1227518713220 6567225115727 13134450231454 26268900462908 32836125578635 65672251157270 131344502314540