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200012347831 is a prime number
BaseRepresentation
bin1011101001000110101…
…0100011100110110111
3201010021012112000112111
42322101222203212313
511234111130112311
6231515010431451
720310330622342
oct2722152434667
9633235460474
10200012347831
117790883531a
123291b892587
1315b26a5359a
1499759b7459
1553095b2d21
hex2e91aa39b7

200012347831 has 2 divisors, whose sum is σ = 200012347832. Its totient is φ = 200012347830.

The previous prime is 200012347823. The next prime is 200012347849. The reversal of 200012347831 is 138743210002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200012347831 - 23 = 200012347823 is a prime.

It is a super-2 number, since 2×2000123478312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200012347793 and 200012347802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200012347811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100006173915 + 100006173916.

It is an arithmetic number, because the mean of its divisors is an integer number (100006173916).

Almost surely, 2200012347831 is an apocalyptic number.

200012347831 is a deficient number, since it is larger than the sum of its proper divisors (1).

200012347831 is an equidigital number, since it uses as much as digits as its factorization.

200012347831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

Adding to 200012347831 its reverse (138743210002), we get a palindrome (338755557833).

The spelling of 200012347831 in words is "two hundred billion, twelve million, three hundred forty-seven thousand, eight hundred thirty-one".