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2131143303 = 319536710529
BaseRepresentation
bin111111100000110…
…1010101010000111
312111112010022000110
41333001222222013
513331033041203
6551245444103
7103545263532
oct17701525207
95445108013
102131143303
119a3a7a563
124b5870633
1327c6a3353
14163075a19
15c7169d03
hex7f06aa87

2131143303 has 32 divisors (see below), whose sum is σ = 3093292800. Its totient is φ = 1300755456.

The previous prime is 2131143299. The next prime is 2131143317. The reversal of 2131143303 is 3033411312.

It is not a de Polignac number, because 2131143303 - 22 = 2131143299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2131143303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131143323) 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 31 ways as a sum of consecutive naturals, for example, 197143 + ... + 207671.

It is an arithmetic number, because the mean of its divisors is an integer number (96665400).

Almost surely, 22131143303 is an apocalyptic number.

2131143303 is a deficient number, since it is larger than the sum of its proper divisors (962149497).

2131143303 is a wasteful number, since it uses less digits than its factorization.

2131143303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10671.

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

The square root of 2131143303 is about 46164.3076737862. The cubic root of 2131143303 is about 1286.8785180157.

Adding to 2131143303 its reverse (3033411312), we get a palindrome (5164554615).

The spelling of 2131143303 in words is "two billion, one hundred thirty-one million, one hundred forty-three thousand, three hundred three".

Divisors: 1 3 19 53 57 67 159 201 1007 1273 3021 3551 3819 10529 10653 31587 67469 200051 202407 558037 600153 705443 1674111 2116329 10602703 13403417 31808109 37388479 40210251 112165437 710381101 2131143303