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131241520355 = 51110722301023
BaseRepresentation
bin111101000111010011…
…0101010110011100011
3110112202110002000101012
41322032212222303203
54122240312122410
6140142545131135
712324200342141
oct1721646526343
9415673060335
10131241520355
1150728464810
1221528629aab
13c4b717586a
1464d0326591
153631d51605
hex1e8e9aace3

131241520355 has 16 divisors (see below), whose sum is σ = 173412762624. Its totient is φ = 94556333280.

The previous prime is 131241520339. The next prime is 131241520369. The reversal of 131241520355 is 553025142131.

It is not a de Polignac number, because 131241520355 - 24 = 131241520339 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11144627 + ... + 11156396.

It is an arithmetic number, because the mean of its divisors is an integer number (10838297664).

Almost surely, 2131241520355 is an apocalyptic number.

131241520355 is a deficient number, since it is larger than the sum of its proper divisors (42171242269).

131241520355 is a wasteful number, since it uses less digits than its factorization.

131241520355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22301146.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 131241520355 its reverse (553025142131), we get a palindrome (684266662486).

The spelling of 131241520355 in words is "one hundred thirty-one billion, two hundred forty-one million, five hundred twenty thousand, three hundred fifty-five".

Divisors: 1 5 11 55 107 535 1177 5885 22301023 111505115 245311253 1226556265 2386209461 11931047305 26248304071 131241520355