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30311320011 = 371443396191
BaseRepresentation
bin11100001110101100…
…100000100111001011
32220020110002121010220
4130032230200213023
5444034144220021
621531432441123
72122066653240
oct341654404713
986213077126
1030311320011
1111944a4a3a5
125a5b2491a3
132b20a2751b
1416779275c7
15bc6121cc6
hex70eb209cb

30311320011 has 8 divisors (see below), whose sum is σ = 46188678144. Its totient is φ = 17320754280.

The previous prime is 30311319949. The next prime is 30311320019. The reversal of 30311320011 is 11002311303.

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

It is not a de Polignac number, because 30311320011 - 211 = 30311317963 is a prime.

It is a super-2 number, since 2×303113200112 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30311320019) 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, 721698075 + ... + 721698116.

It is an arithmetic number, because the mean of its divisors is an integer number (5773584768).

Almost surely, 230311320011 is an apocalyptic number.

30311320011 is a deficient number, since it is larger than the sum of its proper divisors (15877358133).

30311320011 is a wasteful number, since it uses less digits than its factorization.

30311320011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443396201.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 30311320011 its reverse (11002311303), we get a palindrome (41313631314).

The spelling of 30311320011 in words is "thirty billion, three hundred eleven million, three hundred twenty thousand, eleven".

Divisors: 1 3 7 21 1443396191 4330188573 10103773337 30311320011