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30313113113 = 73341354861
BaseRepresentation
bin11100001110110011…
…010110011000011001
32220020120110200211002
4130032303112120121
5444040124104423
621531535114345
72122121132033
oct341663263031
986216420732
1030313113113
1111945a645a8
125a5b9729b5
132b2120472a
141677c72c53
15bc6378228
hex70ecd6619

30313113113 has 4 divisors (see below), whose sum is σ = 30354468708. Its totient is φ = 30271757520.

The previous prime is 30313113101. The next prime is 30313113121. The reversal of 30313113113 is 31131131303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31131131303 = 67374620919.

It can be written as a sum of positive squares in 2 ways, for example, as 22871117824 + 7441995289 = 151232^2 + 86267^2 .

It is a cyclic number.

It is not a de Polignac number, because 30313113113 - 212 = 30313109017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30313113163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20676698 + ... + 20678163.

It is an arithmetic number, because the mean of its divisors is an integer number (7588617177).

Almost surely, 230313113113 is an apocalyptic number.

It is an amenable number.

30313113113 is a deficient number, since it is larger than the sum of its proper divisors (41355595).

30313113113 is an equidigital number, since it uses as much as digits as its factorization.

30313113113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41355594.

The product of its (nonzero) digits is 243, while the sum is 20.

Adding to 30313113113 its reverse (31131131303), we get a palindrome (61444244416).

The spelling of 30313113113 in words is "thirty billion, three hundred thirteen million, one hundred thirteen thousand, one hundred thirteen".

Divisors: 1 733 41354861 30313113113