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30311304211 = 46794768539
BaseRepresentation
bin11100001110101100…
…011100110000010011
32220020110001210110201
4130032230130300103
5444034143213321
621531432240031
72122066556206
oct341654346023
986213053421
1030311304211
1111944a39541
125a5b240017
132b20a20286
14167792193d
15bc611c291
hex70eb1cc13

30311304211 has 8 divisors (see below), whose sum is σ = 30408730560. Its totient is φ = 30214017768.

The previous prime is 30311304203. The next prime is 30311304227. The reversal of 30311304211 is 11240311303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30311304211 - 23 = 30311304203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30311304241) 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 7 ways as a sum of consecutive naturals, for example, 407980 + ... + 476518.

It is an arithmetic number, because the mean of its divisors is an integer number (3801091320).

Almost surely, 230311304211 is an apocalyptic number.

30311304211 is a deficient number, since it is larger than the sum of its proper divisors (97426349).

30311304211 is an equidigital number, since it uses as much as digits as its factorization.

30311304211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69953.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30311304211 its reverse (11240311303), we get a palindrome (41551615514).

The spelling of 30311304211 in words is "thirty billion, three hundred eleven million, three hundred four thousand, two hundred eleven".

Divisors: 1 467 947 68539 442249 32007713 64906433 30311304211