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2131203210303 = 3887800903123
BaseRepresentation
bin11111000000110101100…
…111000011110000111111
321112202000012211111211110
4133000311213003300333
5234404201010212203
64311021121053103
7306655126251126
oct37006547036077
97482005744743
102131203210303
117519247196a2
122a505b787193
13125c827b565b
1475217a82abd
153a6867b2d03
hex1f0359c3c3f

2131203210303 has 8 divisors (see below), whose sum is σ = 2844807896448. Its totient is φ = 1419200332184.

The previous prime is 2131203210277. The next prime is 2131203210319. The reversal of 2131203210303 is 3030123021312.

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 2131203210303 - 210 = 2131203209279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2131203210303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131203210403) 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 7 ways as a sum of consecutive naturals, for example, 400448901 + ... + 400454222.

It is an arithmetic number, because the mean of its divisors is an integer number (355600987056).

Almost surely, 22131203210303 is an apocalyptic number.

2131203210303 is a deficient number, since it is larger than the sum of its proper divisors (713604686145).

2131203210303 is an equidigital number, since it uses as much as digits as its factorization.

2131203210303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800904013.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2131203210303 its reverse (3030123021312), we get a palindrome (5161326231615).

The spelling of 2131203210303 in words is "two trillion, one hundred thirty-one billion, two hundred three million, two hundred ten thousand, three hundred three".

Divisors: 1 3 887 2661 800903123 2402709369 710401070101 2131203210303