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131011132155 = 35191189738639
BaseRepresentation
bin111101000000011011…
…1110011101011111011
3110112011101120002011220
41322000313303223323
54121302322212110
6140104035123123
712315402151341
oct1720067635373
9415141502156
10131011132155
115061a406742
12214834434a3
13c47b50b997
1464ab8b3991
15361b9e3370
hex1e80df3afb

131011132155 has 32 divisors (see below), whose sum is σ = 220674585600. Its totient is φ = 66187821312.

The previous prime is 131011132129. The next prime is 131011132157. The reversal of 131011132155 is 551231110131.

It is not a de Polignac number, because 131011132155 - 27 = 131011132027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131011132157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3371326 + ... + 3409964.

It is an arithmetic number, because the mean of its divisors is an integer number (6896080800).

Almost surely, 2131011132155 is an apocalyptic number.

131011132155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131011132155 is a deficient number, since it is larger than the sum of its proper divisors (89663453445).

131011132155 is a wasteful number, since it uses less digits than its factorization.

131011132155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50563.

The product of its (nonzero) digits is 450, while the sum is 24.

Adding to 131011132155 its reverse (551231110131), we get a palindrome (682242242286).

The spelling of 131011132155 in words is "one hundred thirty-one billion, eleven million, one hundred thirty-two thousand, one hundred fifty-five".

Divisors: 1 3 5 15 19 57 95 285 11897 35691 38639 59485 115917 178455 193195 226043 579585 678129 734141 1130215 2202423 3390645 3670705 11012115 459688183 1379064549 2298440915 6895322745 8734075477 26202226431 43670377385 131011132155