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2131203023223 = 317193301971719
BaseRepresentation
bin11111000000110101100…
…110010110000101110111
321112202000012111000012120
4133000311212112011313
5234404200433220343
64311021113051023
7306655124541531
oct37006546260567
97482005430176
102131203023223
1175192460108a
122a505b6b6a73
13125c8274b461
1475217a34851
153a686777683
hex1f035996177

2131203023223 has 32 divisors (see below), whose sum is σ = 3025390579200. Its totient is φ = 1329837613056.

The previous prime is 2131203023171. The next prime is 2131203023237. The reversal of 2131203023223 is 3223203021312.

It is not a de Polignac number, because 2131203023223 - 28 = 2131203022967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2131203023193 and 2131203023202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131203021223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29680158 + ... + 29751876.

It is an arithmetic number, because the mean of its divisors is an integer number (94543455600).

Almost surely, 22131203023223 is an apocalyptic number.

2131203023223 is a deficient number, since it is larger than the sum of its proper divisors (894187555977).

2131203023223 is a wasteful number, since it uses less digits than its factorization.

2131203023223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74951.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 2131203023223 its reverse (3223203021312), we get a palindrome (5354406044535).

The spelling of 2131203023223 in words is "two trillion, one hundred thirty-one billion, two hundred three million, twenty-three thousand, two hundred twenty-three".

Divisors: 1 3 17 51 193 579 3019 3281 9057 9843 51323 71719 153969 215157 582667 1219223 1748001 3657669 9905339 13841767 29716017 41525301 216519661 235310039 649558983 705930117 3680834237 11042502711 41788294573 125364883719 710401007741 2131203023223