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131022315201 = 32979109174893
BaseRepresentation
bin111101000000110001…
…0011101111011000001
3110112012011121020102210
41322001202131323001
54121313203041301
6140105114532333
712315566206101
oct1720142357301
9415164536383
10131022315201
1150625754728
12214871370a9
13c480925b7b
1464ad185201
15361c9a1ad6
hex1e8189dec1

131022315201 has 32 divisors (see below), whose sum is σ = 184688064000. Its totient is φ = 82504251648.

The previous prime is 131022315169. The next prime is 131022315209. The reversal of 131022315201 is 102513220131.

It is not a de Polignac number, because 131022315201 - 25 = 131022315169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131022315209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 661711 + ... + 836603.

It is an arithmetic number, because the mean of its divisors is an integer number (5771502000).

Almost surely, 2131022315201 is an apocalyptic number.

It is an amenable number.

131022315201 is a deficient number, since it is larger than the sum of its proper divisors (53665748799).

131022315201 is a wasteful number, since it uses less digits than its factorization.

131022315201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175113.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 131022315201 its reverse (102513220131), we get a palindrome (233535535332).

The spelling of 131022315201 in words is "one hundred thirty-one billion, twenty-two million, three hundred fifteen thousand, two hundred one".

Divisors: 1 3 29 79 87 109 237 327 2291 3161 6873 8611 9483 25833 174893 249719 524679 749157 5071897 13816547 15215691 19063337 41449641 57190011 400679863 552836773 1202039589 1506003623 1658510319 4518010869 43674105067 131022315201