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20000030311 is a prime number
BaseRepresentation
bin10010101000000110…
…000011111001100111
31220121211120210211101
4102220012003321213
5311430001432221
613104330020531
71305422311162
oct225006037147
956554523741
1020000030311
11853354a878
123a61b77747
131b696b8681
14d7a2d2ad9
157c0c74d91
hex4a8183e67

20000030311 has 2 divisors, whose sum is σ = 20000030312. Its totient is φ = 20000030310.

The previous prime is 20000030299. The next prime is 20000030329. The reversal of 20000030311 is 11303000002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20000030311 - 217 = 19999899239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20000090311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000015155 + 10000015156.

It is an arithmetic number, because the mean of its divisors is an integer number (10000015156).

Almost surely, 220000030311 is an apocalyptic number.

20000030311 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000030311 is an equidigital number, since it uses as much as digits as its factorization.

20000030311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 20000030311 its reverse (11303000002), we get a palindrome (31303030313).

The spelling of 20000030311 in words is "twenty billion, thirty thousand, three hundred eleven".