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30031112011 is a prime number
BaseRepresentation
bin11011111101111111…
…100110011101001011
32212111220211120000211
4123331333212131023
5443000431041021
621443542541551
72112125145265
oct337577463513
985456746024
1030031112011
1111810863a3a
1259a14378b7
132aa7969284
14164c626b35
15bab7223e1
hex6fdfe674b

30031112011 has 2 divisors, whose sum is σ = 30031112012. Its totient is φ = 30031112010.

The previous prime is 30031112009. The next prime is 30031112053. The reversal of 30031112011 is 11021113003.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30031112011 - 21 = 30031112009 is a prime.

Together with 30031112009, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 30031111982 and 30031112000.

It is not a weakly prime, because it can be changed into another prime (30031112071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15015556005 + 15015556006.

It is an arithmetic number, because the mean of its divisors is an integer number (15015556006).

Almost surely, 230031112011 is an apocalyptic number.

30031112011 is a deficient number, since it is larger than the sum of its proper divisors (1).

30031112011 is an equidigital number, since it uses as much as digits as its factorization.

30031112011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 30031112011 its reverse (11021113003), we get a palindrome (41052225014).

The spelling of 30031112011 in words is "thirty billion, thirty-one million, one hundred twelve thousand, eleven".