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131513403115 = 52923911933181
BaseRepresentation
bin111101001111011001…
…1110100011011101011
3110120110101200002102001
41322132303310123223
54123314412344430
6140225540351431
712334011324223
oct1723663643353
9416411602361
10131513403115
1150857984306
12215a36a5577
13c52b5aa633
14651849b083
15364ab593ca
hex1e9ecf46eb

131513403115 has 32 divisors (see below), whose sum is σ = 164130105600. Its totient is φ = 101041167360.

The previous prime is 131513403103. The next prime is 131513403179. The reversal of 131513403115 is 511304315131.

It is not a de Polignac number, because 131513403115 - 27 = 131513402987 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41341825 + ... + 41345005.

It is an arithmetic number, because the mean of its divisors is an integer number (5129065800).

Almost surely, 2131513403115 is an apocalyptic number.

131513403115 is a deficient number, since it is larger than the sum of its proper divisors (32616702485).

131513403115 is a wasteful number, since it uses less digits than its factorization.

131513403115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4647.

The product of its (nonzero) digits is 2700, while the sum is 28.

Adding to 131513403115 its reverse (511304315131), we get a palindrome (642817718246).

The spelling of 131513403115 in words is "one hundred thirty-one billion, five hundred thirteen million, four hundred three thousand, one hundred fifteen".

Divisors: 1 5 29 145 239 1193 1195 3181 5965 6931 15905 34597 34655 92249 172985 285127 461245 760259 1425635 3794933 3801295 8268683 18974665 22047511 41343415 110053057 110237555 550265285 906988987 4534944935 26302680623 131513403115