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131103330321 = 3188693231599
BaseRepresentation
bin111101000011001011…
…1100001000000010001
3110112101211001020021210
41322012113201000101
54121444423032241
6140121131210333
712320601630555
oct1720627410021
9415354036253
10131103330321
1150667459577
12214aa2a69a9
13c494650302
1464b9c33865
153624b56316
hex1e865e1011

131103330321 has 8 divisors (see below), whose sum is σ = 174806121600. Its totient is φ = 87401379632.

The previous prime is 131103330317. The next prime is 131103330401. The reversal of 131103330321 is 123033301131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131103330321 - 22 = 131103330317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131103334321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450280 + ... + 681878.

It is an arithmetic number, because the mean of its divisors is an integer number (21850765200).

Almost surely, 2131103330321 is an apocalyptic number.

It is an amenable number.

131103330321 is a deficient number, since it is larger than the sum of its proper divisors (43702791279).

131103330321 is a wasteful number, since it uses less digits than its factorization.

131103330321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420295.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 131103330321 its reverse (123033301131), we get a palindrome (254136631452).

The spelling of 131103330321 in words is "one hundred thirty-one billion, one hundred three million, three hundred thirty thousand, three hundred twenty-one".

Divisors: 1 3 188693 231599 566079 694797 43701110107 131103330321