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100303221031 = 138219397847
BaseRepresentation
bin101110101101010001…
…0011011000100100111
3100120220022012120022021
41131122202123010213
53120410111033111
6114024554044011
710150415211556
oct1353242330447
9316808176267
10100303221031
11395a160a5a2
1217533419607
1395c6597680
144bd7431d9d
152920b82d71
hex175a89b127

100303221031 has 8 divisors (see below), whose sum is σ = 108150434784. Its totient is φ = 92474804640.

The previous prime is 100303221023. The next prime is 100303221047. The reversal of 100303221031 is 130122303001.

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 100303221031 - 23 = 100303221023 is a prime.

It is a super-2 number, since 2×1003032210312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100303220996 and 100303221014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100303221131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4688251 + ... + 4709596.

It is an arithmetic number, because the mean of its divisors is an integer number (13518804348).

Almost surely, 2100303221031 is an apocalyptic number.

100303221031 is a deficient number, since it is larger than the sum of its proper divisors (7847213753).

100303221031 is an equidigital number, since it uses as much as digits as its factorization.

100303221031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9398681.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 100303221031 its reverse (130122303001), we get a palindrome (230425524032).

The spelling of 100303221031 in words is "one hundred billion, three hundred three million, two hundred twenty-one thousand, thirty-one".

Divisors: 1 13 821 10673 9397847 122172011 7715632387 100303221031