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100031330321 = 1319404985143
BaseRepresentation
bin101110100101001010…
…1001111100000010001
3100120012100121002100222
41131022111033200101
53114331010032241
6113542002322425
710140604164356
oct1351225174021
9316170532328
10100031330321
113947209502a
1217478359415
13958215c0b0
144bad29862d
152906d77a4b
hex174a54f811

100031330321 has 8 divisors (see below), whose sum is σ = 113395840320. Its totient is φ = 87476790672.

The previous prime is 100031330303. The next prime is 100031330369. The reversal of 100031330321 is 123033130001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-100031330321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100031330321.

It is not an unprimeable number, because it can be changed into a prime (100031330621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202492325 + ... + 202492818.

It is an arithmetic number, because the mean of its divisors is an integer number (14174480040).

Almost surely, 2100031330321 is an apocalyptic number.

It is an amenable number.

100031330321 is a deficient number, since it is larger than the sum of its proper divisors (13364509999).

100031330321 is a wasteful number, since it uses less digits than its factorization.

100031330321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404985175.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 100031330321 its reverse (123033130001), we get a palindrome (223064460322).

The spelling of 100031330321 in words is "one hundred billion, thirty-one million, three hundred thirty thousand, three hundred twenty-one".

Divisors: 1 13 19 247 404985143 5264806859 7694717717 100031330321