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2031200323 = 10391954957
BaseRepresentation
bin111100100010001…
…1010100001000011
312020120001200000121
41321010122201003
513124441402243
6533315401111
7101222626555
oct17104324103
95216050017
102031200323
11952617959
124882b3197
13264a7c7a9
14153a9b4d5
15bd4c71ed
hex7911a843

2031200323 has 4 divisors (see below), whose sum is σ = 2033156320. Its totient is φ = 2029244328.

The previous prime is 2031200317. The next prime is 2031200329. The reversal of 2031200323 is 3230021302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3230021302 = 21615010651.

It is an interprime number because it is at equal distance from previous prime (2031200317) and next prime (2031200329).

It is a cyclic number.

It is not a de Polignac number, because 2031200323 - 25 = 2031200291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2031200297 and 2031200306.

It is not an unprimeable number, because it can be changed into a prime (2031200329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 976440 + ... + 978517.

It is an arithmetic number, because the mean of its divisors is an integer number (508289080).

Almost surely, 22031200323 is an apocalyptic number.

2031200323 is a deficient number, since it is larger than the sum of its proper divisors (1955997).

2031200323 is a wasteful number, since it uses less digits than its factorization.

2031200323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955996.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 2031200323 is about 45068.8398230973. The cubic root of 2031200323 is about 1266.4389304409.

Adding to 2031200323 its reverse (3230021302), we get a palindrome (5261221625).

The spelling of 2031200323 in words is "two billion, thirty-one million, two hundred thousand, three hundred twenty-three".

Divisors: 1 1039 1954957 2031200323