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10031312211103 = 69313144724831
BaseRepresentation
bin1001000111111001100011…
…0011010000110010011111
31022111222120101200101102201
42101332120303100302133
52303323111411223403
633200153214232331
72053511160632431
oct221763063206237
938458511611381
1010031312211103
11321828a255737
1211601761b56a7
13579c443426a1
14269737956651
15125e0dd7021d
hex91f98cd0c9f

10031312211103 has 4 divisors (see below), whose sum is σ = 10031457005248. Its totient is φ = 10031167416960.

The previous prime is 10031312211083. The next prime is 10031312211121. The reversal of 10031312211103 is 30111221313001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10031312211103 - 241 = 7832288955551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031312211133) 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 3 ways as a sum of consecutive naturals, for example, 72293103 + ... + 72431728.

It is an arithmetic number, because the mean of its divisors is an integer number (2507864251312).

Almost surely, 210031312211103 is an apocalyptic number.

10031312211103 is a deficient number, since it is larger than the sum of its proper divisors (144794145).

10031312211103 is an equidigital number, since it uses as much as digits as its factorization.

10031312211103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144794144.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 10031312211103 its reverse (30111221313001), we get a palindrome (40142533524104).

The spelling of 10031312211103 in words is "ten trillion, thirty-one billion, three hundred twelve million, two hundred eleven thousand, one hundred three".

Divisors: 1 69313 144724831 10031312211103